2024-08-01 Release Manager * GCC 14.2.0 released. 2024-07-03 Lewis Hyatt PR pch/115312 * c-opts.cc (c_common_init): Call c_init_preprocess() before c_finish_options() so that a parser is available to process any includes specified on the command line. 2024-06-25 Andrew Pinski Backported from master: 2024-06-25 Andrew Pinski PR c++/115624 * c.opt (Wnrvo): Add Warning property. 2024-06-17 Jakub Jelinek Backported from master: 2024-06-17 Jakub Jelinek PR c/115290 * c-warn.cc (do_warn_array_compare): Use %E rather than %D for printing op0 and op1; if those operands aren't decls, also print parens around them. 2024-05-15 Richard Biener Backported from master: 2024-05-07 Richard Biener PR middle-end/114931 * c-common.cc (complete_array_type): Set TYPE_STRUCTURAL_EQUALITY_P before probing with type_hash_canon. 2024-05-07 Andrew Pinski Backported from master: 2024-05-07 Andrew Pinski PR c++/89224 * c-common.cc (convert_vector_to_array_for_subscript): Call build_qualified_type for the inner type. 2024-05-07 Release Manager * GCC 14.1.0 released. 2024-04-23 Jakub Jelinek * c-attribs.cc (handle_objc_nullability_attribute): Spelling fix: recognised -> recognized. 2024-04-23 Jakub Jelinek * c.opt (Wstrict-flex-arrays): Spelling fix: inproper -> improper. 2024-04-19 Jakub Jelinek PR c/114780 * c-common.cc (check_function_sentinel): Allow as sentinel any argument of NULLPTR_TYPE. 2024-04-13 Mark Wielaard * c.opt.urls: Regenerate. 2024-04-12 Jason Merrill Patrick Palka PR c++/113141 * c.opt: Add -Wcast-user-defined. 2024-04-05 Marek Polacek * c-warn.cc (warn_about_parentheses): Remove an #undef. 2024-03-27 Jakub Jelinek PR tree-optimization/114469 * c-common.cc (resolve_overloaded_builtin): For _BitInt result on !extended targets convert result to the _BitInt type before using VIEW_CONVERT_EXPR. 2024-03-26 Jakub Jelinek PR c++/112724 * c-pretty-print.cc (pp_c_cast_expression, c_pretty_printer::expression): Handle EXCESS_PRECISION_EXPR like NOP_EXPR. 2024-03-19 Jakub Jelinek PR c/114364 * c-omp.cc (enum check_loop_binding_expr_ctx): New type. (check_loop_binding_expr): Remove context argument, add ctx argument with check_loop_binding_expr_ctx type at the end. Don't create diagnostic message from multiple pieces. (c_omp_check_loop_binding_exprs): Adjust callers. 2024-03-08 Jakub Jelinek * c-common.cc (resolve_overloaded_atomic_exchange): Instead of setting p1 to VIEW_CONVERT_EXPR (*p1), set it to MEM_REF with p1 and (typeof (p1)) 0 operands and I_type type. (resolve_overloaded_atomic_compare_exchange): Similarly for p2. 2024-03-05 Mark Wielaard * c.opt.urls: Regenerate. 2024-03-05 Patrick Palka * c.opt (Wglobal-module): New warning. 2024-03-04 Mark Wielaard * c.opt.urls: Regenerate. 2024-02-22 Jakub Jelinek PR c/114007 * c-lex.cc (c_common_has_attribute): Parse 2 CPP_COLONs with the first one with COLON_SCOPE flag the same as CPP_SCOPE. 2024-02-10 Marek Polacek DR 2237 PR c++/107126 PR c++/97202 * c-opts.cc (c_common_post_options): In C++20 or with -Wc++20-compat, turn on -Wtemplate-id-cdtor. * c.opt (Wtemplate-id-cdtor): New. 2024-02-10 Jakub Jelinek * c-format.cc (gcc_diag_length_specs): Add t and z modifiers. (PP_FORMAT_CHAR_TABLE, gcc_gfc_char_table): Add entries for t and z modifiers. 2024-02-10 Jakub Jelinek * c-ada-spec.cc (dump_template_types): Use HOST_SIZE_T_PRINT_UNSIGNED and casts to fmt_size_t instead of "%lu" and casts to unsigned long. 2024-02-01 Lewis Hyatt PR preprocessor/105608 * c-pch.cc (c_common_read_pch): Adjust line map so that libcpp assigns a location to restored macros which is the same location that triggered the PCH include. 2024-01-31 Marek Polacek * c-opts.cc (c_common_post_options): Add an inform saying that -fconcepts-ts is deprecated and will be removed in GCC 15. 2024-01-27 Lewis Hyatt PR preprocessor/105608 * c-pch.cc (c_common_read_pch): Start a new line map before asking libcpp to restore macros defined prior to reading the PCH, instead of afterward. 2024-01-23 Jakub Jelinek PR c/113518 * c-common.cc (atomic_bitint_fetch_using_cas_loop): Call c_fully_fold on lhs_addr, val and model for C. 2024-01-23 Sandra Loosemore * c.opt: Improve sorting of warning options. 2024-01-16 Eric Botcazou PR ada/113397 * c-ada-spec.cc (check_type_name_conflict): Add guard for the presence of DECL_NAME on a TYPE_DECL. 2024-01-11 Julian Brown * c-pretty-print.cc (c_pretty_printer::postfix_expression, c_pretty_printer::expression): Add OMP_ARRAY_SECTION support. 2024-01-09 waffl3x PR c++/102609 PR c++/102609 C++23 P0847R7 (deducing this) - diagnostics. * c-cppbuiltin.cc (c_cpp_builtins): Define __cpp_explicit_this_parameter=202110L feature test macro. 2024-01-09 Jakub Jelinek PR c/113262 * c-attribs.cc (handle_copy_attribute): Don't use DECL_SOURCE_LOCATION (decl) if decl is not DECL_P, use input_location instead. Formatting fixes. 2024-01-09 Julian Brown * c-common.h (c_omp_address_inspector): Remove static from get_origin and maybe_unconvert_ref methods. * c-omp.cc (c_omp_split_clauses): Support OMP_ARRAY_SECTION. (c_omp_address_inspector::map_supported_p): Handle OMP_ARRAY_SECTION. (c_omp_address_inspector::get_origin): Avoid dereferencing possibly NULL type when processing template decls. (c_omp_address_inspector::maybe_unconvert_ref): Likewise. 2024-01-04 David Malcolm * c.opt.urls: New file, autogenerated by regenerate-opt-urls.py. 2023-12-21 Jakub Jelinek * c.opt (Walloc-size): Enable also for C++ and ObjC++. 2023-12-21 Jakub Jelinek PR sanitizer/113092 * c-ubsan.cc (ubsan_instrument_shift): Workaround for missing ubsan _BitInt support for the shift count. 2023-12-20 Florian Weimer PR c/113050 * c-common.cc (get_atomic_generic_size): Use OPT_Wdiscarded_qualifiers instead of OPT_Wincompatible_pointer_types. 2023-12-20 Jakub Jelinek * c.opt (Wcalloc-transposed-args): New warning. * c-common.h (warn_for_calloc, warn_for_alloc_size): Declare. * c-warn.cc (warn_for_calloc, warn_for_alloc_size): New functions. 2023-12-16 Andrew Carlotti * c-attribs.cc (attr_target_exclusions): Make target/target_clones exclusion target-dependent. (attr_target_clones_exclusions): Ditto, and add target_version. (attr_target_version_exclusions): New. (c_common_attribute_table): Add target_version. (handle_target_version_attribute): New. (handle_target_attribute): Amend comment. (handle_target_clones_attribute): Ditto. 2023-12-16 Andrew Carlotti * c-attribs.cc (attr_always_inline_exclusions): New. (attr_target_exclusions): Ditto. (attr_target_clones_exclusions): Ditto. (c_common_attribute_table): Add new exclusion lists. (handle_noinline_attribute): Remove custom exclusion handling. (handle_always_inline_attribute): Ditto. (handle_target_attribute): Ditto. (handle_target_clones_attribute): Ditto. 2023-12-13 Patrick Palka * c.opt: Add -fdiagnostics-all-candidates. 2023-12-13 Jason Merrill * c-warn.cc (check_address_or_pointer_of_packed_member): Rename to check_address_of_packed_member. (check_and_warn_address_or_pointer_of_packed_member): Rename to check_and_warn_address_of_packed_member. (warn_for_address_or_pointer_of_packed_member): Rename to warn_for_address_of_packed_member. * c-common.h: Adjust. 2023-12-13 Jason Merrill * c-warn.cc (check_address_or_pointer_of_packed_member): Remove warning based on TYPE_PACKED. 2023-12-13 Julian Brown * c-common.h (c_omp_region_type): Add C_ORT_EXIT_DATA, C_ORT_OMP_EXIT_DATA and C_ORT_ACC_TARGET. (omp_addr_token): Add forward declaration. (c_omp_address_inspector): New class. * c-omp.cc (c_omp_adjust_map_clauses): Mark decls addressable here, but do not change any mapping node types. (c_omp_address_inspector::unconverted_ref_origin, c_omp_address_inspector::component_access_p, c_omp_address_inspector::check_clause, c_omp_address_inspector::get_root_term, c_omp_address_inspector::map_supported_p, c_omp_address_inspector::get_origin, c_omp_address_inspector::maybe_unconvert_ref, c_omp_address_inspector::maybe_zero_length_array_section, c_omp_address_inspector::expand_array_base, c_omp_address_inspector::expand_component_selector, c_omp_address_inspector::expand_map_clause): New methods. (omp_expand_access_chain): New function. 2023-12-12 Richard Biener PR ipa/92606 * c-attribs.cc (handle_noicf_attribute): Also allow the attribute on global variables. 2023-12-10 Ken Matsui Patrick Palka * c-common.cc (c_common_reswords): Remove all mappings of built-in traits. * c-common.h (enum rid): Remove all RID values for built-in traits. 2023-12-07 Andrew Pinski Jakub Jelinek PR preprocessor/111965 * c-opts.cc (c_common_handle_option) : Set cpp_opts->debug to value rather than 1. 2023-12-06 David Malcolm * c-opts.cc (c_diagnostic_finalizer): Make "diagnostic" param const. 2023-12-06 Alexandre Oliva * c-attribs.cc: Include ipa-strub.h. (handle_strub_attribute): New. (c_common_attribute_table): Add strub. 2023-12-05 Richard Sandiford * c-attribs.cc (c_common_gnu_attribute_table): Add extra braces to work around PR 16333 in older compilers. 2023-12-05 Richard Biener PR c/89270 * c-common.cc (c_common_type_for_size): Consider registered_builtin_types. 2023-12-05 Marek Polacek PR c++/107687 PR c++/110997 * c-cppbuiltin.cc (c_cpp_builtins): Update __cpp_consteval. * c-opts.cc (c_common_post_options): Pre-C++20, unset flag_immediate_escalation. * c.opt (fimmediate-escalation): New option. 2023-12-02 Richard Sandiford * c-common.h (c_common_attribute_table): Replace with... (c_common_gnu_attribute_table): ...this. (c_common_format_attribute_table): Change type to scoped_attribute_specs. * c-attribs.cc (c_common_attribute_table): Replace with... (c_common_gnu_attributes, c_common_gnu_attribute_table): ...these new globals. (c_common_format_attribute_table): Change type to scoped_attribute_specs, using... (c_common_format_attributes): ...this as the underlying array. 2023-12-01 Florian Weimer * c.opt (Wdeclaration-missing-parameter-type): New. 2023-11-30 Jakub Jelinek PR c++/110349 * c-cppbuiltin.cc (c_cpp_builtins): Predefine __cpp_placeholder_variables=202306L for C++26. 2023-11-29 Alexandre Oliva * c-attribs.cc (c_common_attribute_table): Add hardbool. (handle_hardbool_attribute): New. (type_valid_for_vector_size): Reject hardbool. * c-common.cc (convert_and_check): Skip warnings for convert and check for hardbool. (c_hardbool_type_attr_1): New. * c-common.h (c_hardbool_type_attr): New. 2023-11-27 Alex Coplan Iain Sandoe PR c++/60512 * c-common.cc (struct hf_feature_info): New. (c_common_register_feature): New. (init_has_feature): New. (has_feature_p): New. * c-common.h (c_common_has_feature): New. (c_family_register_lang_features): New. (c_common_register_feature): New. (has_feature_p): New. * c-lex.cc (init_c_lex): Plumb through has_feature callback. (c_common_has_builtin): Generalize and move common part ... (c_common_lex_availability_macro): ... here. (c_common_has_feature): New. * c-ppoutput.cc (init_pp_output): Plumb through has_feature. 2023-11-24 Lewis Hyatt PR pch/112319 * c-ppoutput.cc (cb_read_pch): Reinitialize the frontend parser after loading a PCH. 2023-11-24 Tobias Burnus * c.opt (-Wopenmp): Add missing tailing '.'. 2023-11-24 Tobias Burnus * c.opt (Wopenmp): Add, enable by default. 2023-11-23 Marek Polacek * c-opts.cc: Include "target.h". (c_finish_options): Maybe cpp_define _FORTIFY_SOURCE and _GLIBCXX_ASSERTIONS. 2023-11-23 Jakub Jelinek * c-common.h (enum rid): Add RID_BUILTIN_STDC: New. * c-common.cc (c_common_reswords): Add __builtin_stdc_bit_ceil, __builtin_stdc_bit_floor, __builtin_stdc_bit_width, __builtin_stdc_count_ones, __builtin_stdc_count_zeros, __builtin_stdc_first_leading_one, __builtin_stdc_first_leading_zero, __builtin_stdc_first_trailing_one, __builtin_stdc_first_trailing_zero, __builtin_stdc_has_single_bit, __builtin_stdc_leading_ones, __builtin_stdc_leading_zeros, __builtin_stdc_trailing_ones and __builtin_stdc_trailing_zeros. Move __builtin_assoc_barrier alphabetically earlier. 2023-11-23 Jakub Jelinek PR c++/110348 * c.opt (Wc++26-extensions): New option. * c-cppbuiltin.cc (c_cpp_builtins): For C++26 predefine __cpp_static_assert to 202306L rather than 201411L. 2023-11-19 David Malcolm * c-lex.cc: Include "rich-location.h". 2023-11-18 Sebastian Huber * c-cppbuiltin.cc (c_cpp_builtins): Define __LIBGCC_HAVE_LIBATOMIC for libgcov. 2023-11-18 Sebastian Huber Revert: 2021-08-16 Sebastian Huber * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_GCOV_TYPE_SIZE if flag_building_libgcc is true. 2023-11-17 Jakub Jelinek PR c++/107571 * c-gimplify.cc (genericize_c_loop): For C++ mark IFN_FALLTHROUGH call at the end of loop body as TREE_NOTHROW. 2023-11-14 Lewis Hyatt PR pch/9471 PR pch/47857 * c-opts.cc (c_common_post_options): Set cpp_opts->main_search so libcpp knows it is compiling a header file separately. 2023-11-14 David Malcolm * c-warn.cc (conversion_warning): Update call to global_dc->m_option_enabled to use option_enabled_p. 2023-11-14 David Malcolm * c-common.cc (c_get_substring_location): Use global_dc's file_cache. * c-format.cc (get_corrected_substring): Likewise. * c-indentation.cc (get_visual_column): Add file_cache param. (get_first_nws_vis_column): Likewise. (detect_intervening_unindent): Likewise. (should_warn_for_misleading_indentation): Use global_dc's file_cache. (assert_get_visual_column_succeeds): Add file_cache param. (ASSERT_GET_VISUAL_COLUMN_SUCCEEDS): Likewise. (assert_get_visual_column_fails): Likewise. (define ASSERT_GET_VISUAL_COLUMN_FAILS): Likewise. (selftest::test_get_visual_column): Create and use a temporary file_cache. 2023-11-14 Jakub Jelinek PR c/111309 * c-common.cc (check_builtin_function_arguments): Handle BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G. * c-gimplify.cc (c_gimplify_expr): If __builtin_c[lt]zg second argument hasn't been folded into constant yet, transform it to one argument call inside of a COND_EXPR which for first argument 0 returns the second argument. 2023-11-11 Martin Uecker PR c/110815 PR c/112428 * c-attribs.cc (build_attr_access_from_parms): Synthesize nonnull attribute for parameters declared with `static`. 2023-11-09 Florian Weimer * c.opt (Wreturn-mismatch): New. 2023-11-08 Florian Weimer * c.opt (fpermissive): Enable for C and ObjC. * c-opts.cc (c_common_post_options): Enable -fpermissive. 2023-11-07 Joseph Myers * c-format.h (T2X_UI): Rename to T23_UI. (T2X_UL): Rename to T23_UL. (T2X_ULL): Rename to T23_ULL. (T2X_US): Rename to T23_US. (T2X_UC): Rename to T23_UC. (T2X_ST): Rename to T23_ST. (T2X_UPD): Rename to T23_UPD. (T2X_UIM): Rename to T23_UIM. (T2X_D32): Rename to T23_D32. (T2X_D64): Rename to T23_D64. (T2X_D128): Rename to T23_D128. (T2X_I8): Rename to T23_I8. (T2X_I16): Rename to T23_I16. (T2X_I32): Rename to T23_I32. (T2X_I64): Rename to T23_I64. (T2X_U8): Rename to T23_U8. (T2X_U16): Rename to T23_U16. (T2X_U32): Rename to T23_U32. (T2X_U64): Rename to T23_U64. (T2X_IF8): Rename to T23_IF8. (T2X_IF16): Rename to T23_IF16. (T2X_IF32): Rename to T23_IF32. (T2X_IF64): Rename to T23_IF64. (T2X_UF8): Rename to T23_UF8. (T2X_UF16): Rename to T23_UF16. (T2X_UF32): Rename to T23_UF32. (T2X_UF64): Rename to T23_UF64. * c-format.cc: Update all uses of T2X_* macros to use T23_*. 2023-11-07 Kwok Cheung Yeung * c-attribs.cc (c_common_attribute_table): Add attribute for indirect functions. * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause. 2023-11-07 Joseph Myers * c-common.cc (flag_isoc2x): Rename to flag_isoc23. (c_common_reswords): Use D_C23 instead of D_C2X. * c-common.h: Refer throughout to C23 instead of C2X in comments. (D_C2X): Rename to D_C23. (flag_isoc2x): Rename to flag_isoc23. * c-cppbuiltin.cc (builtin_define_float_constants): Use flag_isoc23 instead of flag_isoc2x. Refer to C23 instead of C2x in comments. * c-format.cc: Use STD_C23 instead of STD_C2X and flag_isoc23 instead of flag_isoc2x. Refer to C23 instead of C2X in comments. * c-format.h: Use STD_C23 instead of STD_C2X. * c-lex.cc: Use warn_c11_c23_compat instead of warn_c11_c2x_compat and flag_isoc23 instead of flag_isoc2x. Refer to C23 instead of C2X in diagnostics. * c-opts.cc: Use flag_isoc23 instead of flag_isoc2x. Refer to C23 instead of C2X in comments. (set_std_c2x): Rename to set_std_c23. * c.opt (Wc11-c23-compat): Use CPP(cpp_warn_c11_c23_compat) CppReason(CPP_W_C11_C23_COMPAT) Var(warn_c11_c23_compat) instead of CPP(cpp_warn_c11_c2x_compat) CppReason(CPP_W_C11_C2X_COMPAT) Var(warn_c11_c2x_compat). 2023-11-06 Joseph Myers PR c/107954 * c.opt (Wc11-c2x-compat): Rename to Wc11-c23-compat and make into a deprecated alias of Wc11-c23-compat. (std=c2x): Rename to std=c23 and make into a deprecated alias of std=c23. (std=gnu2x): Rename to std=gnu23 and make into a deprecated alias of std=gnu23. (std=iso9899:2024): New option. Alias of std=c23. * c-lex.cc (interpret_float): Use OPT_Wc11_c23_compat instead of OPT_Wc11_c2x_compat. * c-opts.cc (c_common_handle_option): Use OPT_std_c23 instead of OPT_std_c2x and OPT_std_gnu23 instead of OPT_std_gnu2x. 2023-11-05 Jakub Jelinek * c-lex.cc (c_common_has_attribute): Return 1 for omp::directive and omp::sequence with -fopenmp or -fopenmp-simd also for C, not just for C++. Return 1 for omp::decl with -fopenmp or -fopenmp-simd for both C and C++. 2023-11-04 David Malcolm * c-pragma.cc:: (handle_pragma_push_options): Fix missing "GCC" in name of pragma in "junk" message. (handle_pragma_pop_options): Likewise. 2023-11-04 David Malcolm * c-common.cc: Update for changes to diagnostic_context. * c-indentation.cc: Likewise. * c-opts.cc: Likewise. * c-warn.cc: Likewise. 2023-11-01 Martin Uecker PR c/71219 * c.opt (Walloc-size): New option. 2023-10-31 David Malcolm * c-warn.cc (warn_for_multistatement_macros): Update for removal of MACRO_MAP_EXPANSION_POINT_LOCATION. 2023-10-27 Lewis Hyatt PR preprocessor/87299 * c-pragma.cc (init_pragma): Register `#pragma GCC target' and related pragmas in preprocess-only mode, and enable early handling. (c_reset_target_pragmas): New function refactoring code from... (handle_pragma_reset_options): ...here. * c-pragma.h (c_reset_target_pragmas): Declare. 2023-10-26 David Malcolm * c-attribs.cc (c_common_attribute_table): Add "null_terminated_string_arg". (handle_null_terminated_string_arg_attribute): New. 2023-10-23 Lewis Hyatt PR preprocessor/36887 * c-opts.cc (c_common_init_options): Pass new extra hash map argument to cpp_create_reader(). 2023-10-20 Marek Polacek PR c/111884 * c-common.cc (c_common_get_alias_set): Return -1 for char8_t only in C++. 2023-10-20 Patrick Palka * c-warn.cc (check_address_or_pointer_of_packed_member): Handle type-dependent callee of CALL_EXPR. 2023-10-20 Alexandre Oliva * c-attribs.cc (handle_expected_throw_attribute): New. (c_common_attribute_table): Add expected_throw. 2023-10-19 Lewis Hyatt PR c++/89038 * c-pragma.cc (handle_pragma_diagnostic_impl): Handle -Wunknown-pragmas during early processing. 2023-10-15 Jakub Jelinek PR tree-optimization/111800 * c-warn.cc (match_case_to_enum_1): Assert w.get_precision () is smaller or equal to WIDE_INT_MAX_INL_PRECISION rather than w.get_len () is smaller or equal to WIDE_INT_MAX_INL_ELTS. 2023-10-12 Jakub Jelinek PR c/102989 * c-warn.cc (match_case_to_enum_1): Use wi::to_wide just once instead of 3 times, assert get_len () is smaller than WIDE_INT_MAX_INL_ELTS. 2023-10-02 David Malcolm * c-common.cc (maybe_add_include_fixit): Update for renaming of diagnostic_context's show_caret to m_source_printing.enabled. * c-opts.cc (c_common_init_options): Update for renaming of diagnostic_context's colorize_source_p to m_source_printing.colorize_source_p. 2023-09-20 Jakub Jelinek PR c++/111392 * c-omp.cc (c_omp_directives): Add commented out groupprivate directive entry. 2023-09-19 Ben Boeckel * c-opts.cc (c_common_handle_option): Add fdeps_file variable and -fdeps-format=, -fdeps-file=, and -fdeps-target= parsing. * c.opt: Add -fdeps-format=, -fdeps-file=, and -fdeps-target= flags. 2023-09-19 Javier Martinez * c-attribs.cc (handle_hot_attribute): remove warning on RECORD_TYPE and UNION_TYPE when in c_dialect_xx. (handle_cold_attribute): Likewise. 2023-09-19 Jakub Jelinek * c-common.cc (c_common_signed_or_unsigned_type): Return INTEGER_TYPE for signed variant of unsigned _BitInt(1). 2023-09-06 Jakub Jelinek PR c/102989 * c-attribs.cc (type_valid_for_vector_size): Reject vector types with BITINT_TYPE elements even if they have mode precision and suitable size. 2023-09-06 Jakub Jelinek PR c/102989 * c-common.cc (c_common_reswords): Add _BitInt as keyword. (unsafe_conversion_p): Handle BITINT_TYPE like INTEGER_TYPE. (c_common_signed_or_unsigned_type): Handle BITINT_TYPE. (c_common_truthvalue_conversion, c_common_get_alias_set, check_builtin_function_arguments): Handle BITINT_TYPE like INTEGER_TYPE. (sync_resolve_size): Add ORIG_FORMAT argument. If FETCH && !ORIG_FORMAT, type is BITINT_TYPE, return -1 if size isn't one of 1, 2, 4, 8 or 16 or if it is 16 but TImode is not supported. (atomic_bitint_fetch_using_cas_loop): New function. (resolve_overloaded_builtin): Adjust sync_resolve_size caller. If -1 is returned, use atomic_bitint_fetch_using_cas_loop to lower it. Formatting fix. (keyword_begins_type_specifier): Handle RID_BITINT. * c-common.h (enum rid): Add RID_BITINT enumerator. * c-cppbuiltin.cc (c_cpp_builtins): For C call targetm.c.bitint_type_info and predefine __BITINT_MAXWIDTH__ and for -fbuilding-libgcc also __LIBGCC_BITINT_LIMB_WIDTH__ and __LIBGCC_BITINT_ORDER__ macros if _BitInt is supported. * c-lex.cc (interpret_integer): Handle CPP_N_BITINT. * c-pretty-print.cc (c_pretty_printer::simple_type_specifier, c_pretty_printer::direct_abstract_declarator, c_pretty_printer::direct_declarator, c_pretty_printer::declarator): Handle BITINT_TYPE. (pp_c_integer_constant): Handle printing of large precision wide_ints which would buffer overflow digit_buffer. * c-warn.cc (conversion_warning, warnings_for_convert_and_check, warnings_for_convert_and_check): Handle BITINT_TYPE like INTEGER_TYPE. 2023-09-06 Jakub Jelinek PR c/102989 * c-ubsan.cc (ubsan_instrument_shift): Use UBSAN_PRINT_FORCE_INT for type0 type descriptor. 2023-09-06 Jakub Jelinek * c-lex.cc (interpret_float): For C diagnostics on FN and FNx suffixes append " before C2X" to diagnostics text and follow behavior of pedwarn_c11. 2023-09-01 Jakub Jelinek PR c++/111069 * c-opts.cc (c_common_post_options): Change latest_abi_version to 19. 2023-08-31 Francois-Xavier Coudert * c.opt: Change spelling to macOS. 2023-08-31 Richard Biener PR middle-end/111253 * c-pretty-print.cc (c_pretty_printer::primary_expression): Only dump gimple_assign_single_p SSA def RHS. 2023-08-25 Sandra Loosemore * c-common.h (c_omp_check_loop_binding_exprs): Declare. * c-omp.cc: Include tree-iterator.h. (find_binding_in_body): New. (check_loop_binding_expr_r): New. (LOCATION_OR): New. (check_looop_binding_expr): New. (c_omp_check_loop_binding_exprs): New. 2023-08-25 Uros Bizjak * c-format.cc (read_any_format_width): Rename TRUE/FALSE to true/false. 2023-08-20 Martin Uecker * c-format.cc: Fix identation. 2023-08-20 Tomas Kalibera PR c/95130 * c-format.cc: skip default format for printf symbol if explicitly declared by prototype. 2023-08-17 Jose E. Marchesi PR c/106537 * c.opt (Wcompare-distinct-pointer-types): New option. 2023-08-14 Jason Merrill * c-cppbuiltin.cc (c_cpp_builtins): Adjust __cpp_concepts. 2023-08-11 Jakub Jelinek * c-common.cc (c_common_reswords): Add __typeof_unqual and __typeof_unqual__ spellings of typeof_unqual. 2023-08-11 Martin Uecker PR c/84510 * c.opt: Enable warning for C and ObjC. 2023-08-05 Martin Uecker PR c/98536 * c-warn.cc (warn_parm_array_mismatch): Do not warn if more bounds are specified. 2023-08-04 Tamar Christina * c-pragma.h (enum pragma_kind): Add PRAGMA_NOVECTOR. * c-pragma.cc (init_pragma): Use it. 2023-08-01 Lewis Hyatt * c-common.h (c_init_preprocess): Declare new function. * c-opts.cc (c_common_init): Call it. * c-lex.cc (cb_def_pragma): Add a comment. (get_token): New function wrapping cpp_get_token. (c_lex_with_flags): Use the new wrapper function to support obtaining tokens in preprocess_only mode. (lex_string): Likewise. * c-pragma.cc (pragma_diagnostic_lex_normal): Rename to... (pragma_diagnostic_lex): ...this. (pragma_diagnostic_lex_pp): Remove. (handle_pragma_diagnostic_impl): Call pragma_diagnostic_lex () in all modes. (c_pp_invoke_early_pragma_handler): Adapt to support pragma_lex () usage. * c-pragma.h (pragma_lex_discard_to_eol): Declare. 2023-07-31 Hamza Mahfooz PR c/65213 * c.opt (-Wmissing-variable-declarations): New option. 2023-07-20 Francois-Xavier Coudert PR middle-end/77928 * c-common.cc (check_builtin_function_arguments): Handle BUILT_IN_ISEQSIG. 2023-07-05 Robin Dapp Juzhe-Zhong * c-common.cc (c_common_type_for_mode): Use GET_MODE_PRECISION. 2023-06-29 Qing Zhao PR c/77650 * c.opt: New option -Wflex-array-member-not-at-end. 2023-06-28 Jason Merrill PR c++/110344 * c-cppbuiltin.cc (c_cpp_builtins): Update __cpp_constexpr. 2023-06-26 Richard Biener * c-common.cc (shorten_binary_op): Exit early for VECTOR_TYPE operations. 2023-06-23 Marek Polacek * c-common.h (cxx_dialect): Add cxx26 as a dialect. * c-opts.cc (set_std_cxx26): New. (c_common_handle_option): Set options when -std={c,gnu}++2{c,6} is enabled. (c_common_post_options): Adjust comments. * c.opt: Add options for -std=c++26, std=c++2c, -std=gnu++26, and -std=gnu++2c. (std=c++2b): Mark as Undocumented. (std=c++23): No longer Undocumented. 2023-06-21 Alexander Monakov * c-gimplify.cc (fma_supported_p): New helper. (c_gimplify_expr) [PLUS_EXPR, MINUS_EXPR]: Implement FMA contraction. 2023-06-16 Alex Coplan * c.opt (Welaborated-enum-base): New. 2023-06-13 David Malcolm PR c/84890 * known-headers.cc (suggest_missing_header::~suggest_missing_header): Reword note to avoid negative tone of "forgetting". 2023-06-07 Jason Merrill PR c++/58487 * c.opt: Add -Wnrvo. 2023-05-26 Martin Uecker * c-attribs.cc (build_attr_access_from_parms): Split loop to first record all parameters. 2023-05-18 Bernhard Reutner-Fischer * c-ada-spec.cc (has_static_fields): Use _P() defines from tree.h. (dump_ada_declaration): Ditto. (dump_ada_structure): Ditto. * c-common.cc (unsafe_conversion_p): Ditto. (shorten_compare): Ditto. (pointer_int_sum): Ditto. (c_common_truthvalue_conversion): Ditto. (scalar_to_vector): Ditto. * c-common.h (gnu_vector_type_p): Ditto. * c-omp.cc (c_omp_depend_t_p): Ditto. (c_omp_split_clauses): Ditto. * c-ubsan.cc (ubsan_instrument_division): Ditto. * c-warn.cc (conversion_warning): Ditto. (warnings_for_convert_and_check): Ditto. 2023-05-18 Joseph Myers * c-format.cc (print_char_table): Handle %B like %b. 2023-05-15 Joseph Myers * c-lex.cc (c_common_has_attribute): Use 202311 as __has_c_attribute return for all C2x attributes. 2023-05-15 Patrick Palka * c-cppbuiltin.cc (c_cpp_builtins): Predefine __cpp_auto_cast for C++23. 2023-05-01 Marek Polacek * c-ubsan.cc (ubsan_maybe_instrument_array_ref): Don't copy_node. 2023-03-28 David Malcolm PR c/107002 * c-common.h (check_for_xor_used_as_pow): Add "rhs_loc" param. * c-warn.cc (check_for_xor_used_as_pow): Add "rhs_loc" param. Reject cases where involving macro expansions. 2023-03-28 Jason Merrill PR c++/107163 * c-common.cc (verify_tree): Don't use sequenced handling for COMPONENT_REF. 2023-03-17 Jakub Jelinek PR c/109151 * c-ubsan.cc (ubsan_instrument_division): Handle all scalar integral types rather than just INTEGER_TYPE. 2023-03-10 Marek Polacek PR sanitizer/108060 PR sanitizer/109050 * c-gimplify.cc (ubsan_walk_array_refs_r): For a MODIFY_EXPR, instrument the RHS before the LHS. 2023-03-04 Jakub Jelinek PR c/107465 * c-warn.cc (warn_for_sign_compare): Don't warn for unset bits above innermost zero extension of BIT_NOT_EXPR result. 2023-03-04 Jakub Jelinek PR c/107465 * c-warn.cc (warn_for_sign_compare): If c_common_get_narrower doesn't return a narrower result, use TYPE_UNSIGNED to set unsignedp0 and unsignedp1. For the one BIT_NOT_EXPR case vs. one without, only check for constant in the non-BIT_NOT_EXPR operand, use std::swap to simplify the code, only warn if BIT_NOT_EXPR operand is extended from narrower unsigned, fix up computation of mask for the constant cases and for unsigned other operand case handle differently BIT_NOT_EXPR result being sign vs. zero extended. 2023-03-04 Jakub Jelinek PR c/107846 * c-warn.cc: Include langhooks.h. (maybe_warn_shift_overflow): Set type0 to what TREE_TYPE (op0) promotes to rather than TREE_TYPE (op0) itself, if TREE_TYPE (op0) is narrower than type0 and unsigned, use wi::min_precision with UNSIGNED and fold_convert op0 to type0 before emitting the warning. 2023-03-03 Alexandre Oliva * c-common.cc (c_common_nodes_and_builtins): Take wchar_type_node for wint_type_node when aliased. (c_stddef_cpp_builtins): Define __WINT_TYPE__, when aliased to wchar_t, to the underlying type rather than wchar_t in non-C++. * c-cppbuiltin.cc (type_suffix): Handle wchar_type_node. 2023-02-28 Marek Polacek PR c++/107938 * c-warn.cc (check_address_or_pointer_of_packed_member): Check POINTER_TYPE_P. 2023-02-28 Jakub Jelinek PR sanitizer/108894 * c-common.h (c_strict_flex_array_level_of): Declare. * c-common.cc (c_strict_flex_array_level_of): New function, moved and renamed from c-decl.cc's strict_flex_array_level_of. * c-ubsan.cc (ubsan_instrument_bounds): Fix comment typo. For C check c_strict_flex_array_level_of whether a trailing array should be treated as flexible member like. Handle C [0] arrays. Add 1 + index_off_by_one rather than index_off_by_one to bounds and use tree_int_cst_lt rather than tree_int_cst_le for idx vs. bounds comparison. 2023-02-23 Jakub Jelinek PR translation/108890 * c.opt (fcontracts): Fix description. 2023-02-22 Marek Polacek PR c/108880 * c-gimplify.cc (c_genericize_control_stmt) : Pass pset to walk_tree_1. (c_genericize): Call walk_tree with an explicit pset. 2023-02-18 Martin Uecker PR c/105660 * c-attribs.cc (append_access_attr): Use order of arguments when construction string. (append_access_attr_idxs): Rename and make static. * c-warn.cc (warn_parm_array_mismatch): Add assertion. 2023-02-16 Patrick Palka * c-common.h: Mechanically drop static from static inline functions via s/^static inline/inline/g. 2023-02-01 Jason Merrill * c.opt: Add -Wno-changes-meaning. 2023-01-31 Marek Polacek PR c++/107593 PR c++/108597 * c-common.h (instantiation_dependent_expression_p): Declare. * c-warn.cc (warn_duplicated_cond_add_or_warn): If the condition is dependent, invalidate the chain. 2023-01-26 Marek Polacek PR c++/105300 * c-pragma.cc (handle_pragma_message): Warn for CPP_STRING_USERDEF. 2023-01-18 Marek Polacek PR c/108424 * c-common.cc (check_case_value): Check INTEGRAL_TYPE_P. 2023-01-14 Jakub Jelinek PR c++/108365 * c-common.h (may_shorten_divmod): New static inline function. 2023-01-13 Eric Botcazou * c-ada-spec.cc (is_float32): New function. (is_float64): Likewise. (is_float128): Tweak. (dump_ada_node) : Call them to recognize more types. 2023-01-12 Lewis Hyatt PR preprocessor/108244 * c-pragma.cc (c_register_pragma_1): Don't attempt to register any deferred pragmas if -fdirectives-only. (init_pragma): Likewise. 2023-01-09 Martin Liska PR c/107993 * c-attribs.cc (handle_target_clones_attribute): Check for string constant for all target_clone attribute values. 2023-01-03 Florian Weimer * c-cppbuiltin.cc (c_cpp_builtins): Define __LIBGCC_DWARF_CIE_DATA_ALIGNMENT__. 2023-01-03 Florian Weimer Revert: 2023-01-03 Florian Weimer * c-cppbuiltin.cc (__LIBGCC_DWARF_REG_SIZES_CONSTANT__): Define if constant is known. 2023-01-03 Florian Weimer Revert: 2023-01-02 Florian Weimer * c-cppbuiltin.cc (c_cpp_builtins): Define __LIBGCC_DWARF_CIE_DATA_ALIGNMENT__. 2023-01-02 Florian Weimer * c-cppbuiltin.cc (c_cpp_builtins): Define __LIBGCC_DWARF_CIE_DATA_ALIGNMENT__. 2023-01-02 Florian Weimer * c-cppbuiltin.cc (__LIBGCC_DWARF_REG_SIZES_CONSTANT__): Define if constant is known. 2022-12-19 Marek Polacek PR c/98487 * c-format.cc (check_function_format): Use get_attribute_name. 2022-12-16 Qing Zhao * c.opt (Wstrict-flex-arrays): New option. 2022-12-02 Andrew MacLeod * c-attribs.cc (handle_deprecated_attribute): Use type when using TYPE_NAME. 2022-12-02 Jakub Jelinek PR c++/84469 * c-omp.cc (c_omp_is_loop_iterator): For range for with structured binding return TREE_VEC_LENGTH (d->declv) even if decl is equal to any of the structured binding decls. 2022-11-30 Iskander Shakirzyanov Franz Sirl PR driver/107787 * c-common.cc (fold_offsetof, convert_vector_to_array_for_subscript): Use OPT_Warray_bounds_ instead of OPT_Warray_bounds. 2022-11-24 Jakub Jelinek * c.opt (fcontract-role=, fcontract-semantic=): Terminate descriptions with a dot. 2022-11-23 Andrew Pinski Jakub Jelinek PR c/107127 * c-gimplify.cc (c_genericize): Use walk_tree_without_duplicates instead of walk_tree for c_genericize_control_r. 2022-11-23 Jakub Jelinek * c.opt (fcontract-assumption-mode=, fcontract-continuation-mode=, fcontract-role=, fcontract-semantic=): Add RejectNegative. (fcontract-build-level=): Terminate description with dot. 2022-11-19 Jakub Jelinek * c-cppbuiltin.cc (c_cpp_builtins): Bump __cpp_constexpr value from 202207L to 202211L. 2022-11-19 Jeff Chapman II Andrew Sutton Andrew Marmaduke Michael Lopez Jason Merrill * c.opt: Add contracts flags. * c-cppbuiltin.cc (c_cpp_builtins): Add contracts feature-test macros. 2022-11-16 Marek Polacek PR c++/106649 * c-cppbuiltin.cc (c_cpp_builtins): Update value of __cpp_constexpr for C++23. * c-opts.cc (c_common_post_options): Set warn_invalid_constexpr depending on cxx_dialect. * c.opt (Winvalid-constexpr): New option. 2022-11-16 Jakub Jelinek * c-common.def (CONCEPT_DECL): New tree, moved here from cp-tree.def. * c-common.cc (c_common_init_ts): Handle CONCEPT_DECL. * c-attribs.cc (handle_deprecated_attribute): Allow deprecated attribute on CONCEPT_DECL. 2022-11-15 Lewis Hyatt * c-opts.cc (c_finish_options): Use special_fname_builtin () rather than a hard-coded string. 2022-11-15 Jakub Jelinek * c-cppbuiltin.cc (c_cpp_builtins): Bump C++23 __cpp_multidimensional_subscript macro value to 202211L. 2022-11-15 Patrick Palka PR c++/107638 * c-lex.cc (c_common_has_attribute): Return 1 for init_priority iff SUPPORTS_INIT_PRIORITY. 2022-11-14 Martin Liska Revert: 2022-11-09 Martin Liska * c-target.def: Port to RST. 2022-11-12 Joseph Myers * c-common.cc (c_common_reswords): Use D_C2X instead of D_CXXONLY. 2022-11-11 Jonathan Wakely PR c/85487 * c-pragma.cc (handle_pragma_ignore): New function. (init_pragma): Register region and endregion pragmas. 2022-11-09 Martin Liska * c-target.def: Port to RST. 2022-11-05 Lewis Hyatt PR preprocessor/55971 * c-ppoutput.cc (adjust_for_newlines): Update comment. 2022-11-03 Jason Merrill * c-opts.cc (c_common_post_options): -fconcepts no longer implies -fconcepts-ts before C++20. 2022-10-28 Joseph Myers * c-common.cc (def_fn_type): Call build_function_type for zero-argument variable-argument function. (c_common_nodes_and_builtins): Build default_function_type with build_function_type. * c.opt (fallow-parameterless-variadic-functions): Mark as ignored option. 2022-10-28 Joseph Myers PR c/61469 * c-common.h (ENUM_UNDERLYING_TYPE, ENUM_FIXED_UNDERLYING_TYPE_P): New. Moved from cp/cp-tree.h. * c-warn.cc (warnings_for_convert_and_check): Do not consider conversions to enum with underlying type bool to overflow. 2022-10-26 Marek Polacek PR c++/106393 * c.opt (Wdangling-reference): New. 2022-10-19 Joseph Myers * c-format.h (enum format_lengths): Add FMT_LEN_w8, FMT_LEN_w16, FMT_LEN_w32, FMT_LEN_w64, FMT_LEN_wf8, FMT_LEN_wf16, FMT_LEN_wf32 and FMT_LEN_wf64. (NOARGUMENTS, NOLENGTHS): Update definitions. (T_I8, T2X_I8, T_I16, T2X_I16, T_I32, T2X_I32, T_I64, T2X_I64) (T_U8, T2X_U8, T_U16, T2X_U16, T_U32, T2X_U32, T_U64, T2X_U64) (T_IF8, T2X_IF8, T_IF16, T2X_IF16, T_IF32, T2X_IF32, T_IF64) (T2X_IF64, T_UF8, T2X_UF8, T_UF16, T2X_UF16, T_UF32, T2X_UF32) (T_UF64, T2X_UF64): New macros. * c-format.cc (printf_length_specs, scanf_length_specs): Add wN and wfN length modifiers. (print_char_table, scan_char_table): Add entries using wN and wfN length modifiers. 2022-10-18 Joseph Myers PR c/36113 * c-common.cc (c_common_type_for_size): Add fallback to widest_unsigned_literal_type_node or widest_integer_literal_type_node for precision that may not exactly match the precision of those types. 2022-10-14 Jakub Jelinek * c-cppbuiltin.cc (c_cpp_builtins): If bfloat16_type_node, predefine __BFLT16_*__ macros and for C++23 also __STDCPP_BFLOAT16_T__. Predefine bfloat16_type_node related macros for -fbuilding-libgcc. * c-lex.cc (interpret_float): Handle CPP_N_BFLOAT16. 2022-10-14 Jakub Jelinek PR middle-end/323 PR c++/107097 * c-common.def (EXCESS_PRECISION_EXPR): Remove comment part about the tree being specific to C/ObjC. * c-opts.cc (c_common_post_options): Handle flag_excess_precision in C++ the same as in C. * c-lex.cc (interpret_float): Set const_type to excess_precision () even for C++. 2022-10-13 Joseph Myers * c-cppbuiltin.cc (builtin_define_float_constants): Do not use value 2 for *_IS_IEC_60559. 2022-10-12 Lewis Hyatt PR preprocessor/60014 PR preprocessor/60723 * c-ppoutput.cc (class token_streamer): Remove member line_marker_emitted to... (token_streamer::stream): ...a local variable here. Set print.prev_was_system_token on all code paths. 2022-10-10 Nathan Sidwell * c-opts.cc (c_common_post_options): Bump abi to 18. 2022-10-10 Marek Polacek PR c++/106937 * c-pretty-print.cc (pp_c_specifier_qualifier_list): Print only GNU attributes here. (c_pretty_printer::direct_abstract_declarator): Print the standard [[]] attributes here. (pp_c_attributes): Remove. (pp_c_attributes_display): Print the [[]] form if appropriate. Use get_attribute_name. Don't print a trailing space when printing the [[]] form. * c-pretty-print.h (pp_c_attributes): Remove. 2022-10-07 Qing Zhao * c-attribs.cc (handle_strict_flex_array_attribute): New function. (c_common_attribute_table): New item for strict_flex_array. * c.opt: (fstrict-flex-arrays): New option. (fstrict-flex-arrays=): New option. 2022-10-07 Martin Liska * name-hint.h: Use std::move. 2022-10-07 Jakub Jelinek * c-common.cc (attribute_fallthrough_p): Lookup fallthrough attribute only in gnu namespace or as standard attribute, treat fallthrough attributes in other namespaces like any other unknown attribute. 2022-10-06 Joseph Myers * c-common.cc (c_common_reswords): Mark typeof as D_EXT11. Add typeof_unqual. * c-common.h (enum rid): Add RID_TYPEOF_UNQUAL. (D_EXT11): New macro. Values of subsequent macros updated. 2022-10-06 Jakub Jelinek PR c++/106654 * c-attribs.cc (handle_assume_attribute): New function. (c_common_attribute_table): Add entry for assume attribute. * c-lex.cc (c_common_has_attribute): Handle __have_cpp_attribute (assume). 2022-10-04 Jakub Jelinek * c-omp.cc (c_omp_directives): Uncomment begin declare target entry. 2022-10-03 Patrick Palka * c-common.cc (c_common_reswords): Use RID_IS_SAME instead of RID_IS_SAME_AS. 2022-10-03 Joseph Myers * c-cppbuiltin.cc (builtin_define_float_constants): Do not special-case __*_EPSILON__ setting for IBM long double for C2x. 2022-09-30 Patrick Palka * c-common.cc (c_common_reswords): Use cp/cp-trait.def to handle C++ traits. * c-common.h (enum rid): Likewise. 2022-09-29 Joseph Myers * c-lex.cc (c_common_has_attribute): Handle noreturn attribute for C. 2022-09-29 Patrick Palka * c-common.cc (c_common_reswords): Add __remove_cv, __remove_reference and __remove_cvref. * c-common.h (enum rid): Add RID_REMOVE_CV, RID_REMOVE_REFERENCE and RID_REMOVE_CVREF. 2022-09-27 Marek Polacek PR c++/101165 PR c++/106882 * c-cppbuiltin.cc (c_cpp_builtins): Define __cpp_implicit_move. 2022-09-27 Marek Polacek * c-format.cc (c_keywords): Drop nothrow. 2022-09-27 Jakub Jelinek PR c++/106651 * c-cppbuiltin.cc (c_cpp_builtins): Predefine __cpp_static_call_operator=202207L for C++23. 2022-09-27 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ASSUME, PRAGMA_OMP_ASSUMES and PRAGMA_OMP_BEGIN. Rename PRAGMA_OMP_END_DECLARE_TARGET to PRAGMA_OMP_END. * c-pragma.cc (omp_pragmas): Add assumes and begin. For end rename PRAGMA_OMP_END_DECLARE_TARGET to PRAGMA_OMP_END. (omp_pragmas_simd): Add assume. * c-common.h (c_omp_directives): Declare. * c-omp.cc (omp_directives): Rename to ... (c_omp_directives): ... this. No longer static. Uncomment assume, assumes, begin assumes and end assumes entries. In end declare target entry rename PRAGMA_OMP_END_DECLARE_TARGET to PRAGMA_OMP_END. (c_omp_categorize_directive): Adjust for omp_directives to c_omp_directives renaming. 2022-09-27 Jakub Jelinek PR c++/106652 PR c++/85518 * c-common.cc (c_common_reswords): Change _Float{16,32,64,128} and _Float{32,64,128}x flags from D_CONLY to 0. (shorten_binary_op): Punt if common_type returns error_mark_node. (shorten_compare): Likewise. (c_common_nodes_and_builtins): For C++ record _Float{16,32,64,128} and _Float{32,64,128}x builtin types if available. For C++ clear float128t_type_node. * c-cppbuiltin.cc (c_cpp_builtins): Predefine __STDCPP_FLOAT{16,32,64,128}_T__ for C++23 if supported. * c-lex.cc (interpret_float): For q/Q suffixes prefer float128t_type_node over float128_type_node. Allow {f,F}{16,32,64,128} suffixes for C++ if supported with pedwarn for C++20 and older. Allow {f,F}{32,64,128}x suffixes for C++ with pedwarn. Don't call excess_precision_type for C++. 2022-09-26 Marek Polacek PR c++/106656 * c-cppbuiltin.cc (c_cpp_builtins): Update value of __cpp_char8_t for C++20. 2022-09-23 Marek Polacek PR c++/106784 * c-common.cc (c_common_reswords): Add __is_convertible and __is_nothrow_convertible. * c-common.h (enum rid): Add RID_IS_CONVERTIBLE and RID_IS_NOTHROW_CONVERTIBLE. 2022-09-22 David Malcolm PR c/106830 * c-warn.cc (check_for_xor_used_as_pow): Don't try checking values that don't fit in uhwi. 2022-09-15 Richard Biener * c-common.h (build_void_list_node): Remove. * c-common.cc (c_common_nodes_and_builtins): Do not initialize void_list_node. 2022-09-09 Jan-Benedict Glaw * c-format.cc (convert_format_name_to_system_name): Fix warning. 2022-09-07 Joseph Myers * c-common.cc (c_common_reswords): Use D_C2X instead of D_CXXONLY for alignas, alignof, bool, false, static_assert, thread_local and true. 2022-09-07 Jakub Jelinek * c.opt (Winvalid-utf8): Use ObjC instead of objC. Remove " in comments" from description. (Wunicode): New option. 2022-09-06 Jakub Jelinek PR c/106836 * c-omp.cc (c_omp_split_clauses): Handle OMP_CLAUSE_DOACROSS. 2022-09-03 Jakub Jelinek * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_DOACROSS. * c-omp.cc (c_finish_omp_depobj): Check also for OMP_CLAUSE_DOACROSS clause and diagnose it. Don't handle OMP_CLAUSE_DEPEND_SOURCE and OMP_CLAUSE_DEPEND_SINK. Assert kind is not OMP_CLAUSE_DEPEND_INVALID. 2022-09-02 David Malcolm PR c/90885 * c-common.h (check_for_xor_used_as_pow): New decl. * c-lex.cc (c_lex_with_flags): Add DECIMAL_INT to flags as appropriate. * c-warn.cc (check_for_xor_used_as_pow): New. * c.opt (Wxor-used-as-pow): New. 2022-09-01 Jason Merrill * c-common.cc (c_common_nodes_and_builtins): Set TREE_STRING_FLAG on char8_t. (braced_list_to_string): Check for char-sized elements. 2022-09-01 Jakub Jelinek PR c++/106655 * c.opt (-Winvalid-utf8): New warning. * c-opts.cc (c_common_handle_option) : Set cpp_opts->cpp_input_charset_explicit. (c_common_post_options): If -finput-charset=UTF-8 is explicit in C++23, enable -Winvalid-utf8 by default and if -pedantic or -pedantic-errors, make it a pedwarn. 2022-08-31 Joseph Myers * c-attribs.cc (handle_deprecated_attribute): Check and pedwarn for LABEL_DECL. * c-common.cc (c_add_case_label): Add argument ATTRS. Call decl_attributes. * c-common.h (do_case, c_add_case_label): Update declarations. * c-lex.cc (c_common_has_attribute): For C, produce a result of 201910 for fallthrough and 202106 for maybe_unused. 2022-08-26 Marek Polacek PR c++/81159 * c.opt (Wself-move): New option. 2022-08-26 Jakub Jelinek * c-common.cc (check_builtin_function_arguments): Handle BUILT_IN_ISSIGNALING. 2022-08-26 Jakub Jelinek PR c++/106648 * c-cppbuiltin.cc (c_cpp_builtins): Predefine __cpp_named_character_escapes to 202207L. 2022-08-25 Marek Polacek * c-common.cc (c_common_reswords): Enable nullptr in C2X. (c_common_nodes_and_builtins): Create the built-in node for nullptr. * c-common.h (enum c_tree_index): Add CTI_NULLPTR, CTI_NULLPTR_TYPE. (struct c_common_resword): Resize the disable member. (D_C2X): Add. (nullptr_node): Define. (nullptr_type_node): Define. (NULLPTR_TYPE_P): Define. * c-pretty-print.cc (c_pretty_printer::simple_type_specifier): Handle NULLPTR_TYPE. (c_pretty_printer::direct_abstract_declarator): Likewise. (c_pretty_printer::constant): Likewise. 2022-08-16 Tom Honermann PR c++/106423 * c-opts.cc (c_common_post_options): Disable -Wc++20-compat diagnostics in C++20 and later. * c.opt (Wc++20-compat): Enable hooks for the preprocessor. 2022-08-11 Marek Polacek PR middle-end/102633 * c-gimplify.cc (c_gimplify_expr) : Don't call suppress_warning here. 2022-08-08 Tom Honermann PR preprocessor/106426 * c-opts.cc (c_common_post_options): Assign cpp_opts->unsigned_utf8char subject to -fchar8_t, -fsigned-char, and/or -funsigned-char. 2022-08-08 Tom Honermann * c-lex.cc (lex_string, lex_charconst): Use char8_t as the type of CPP_UTF8CHAR and CPP_UTF8STRING when char8_t support is enabled. * c-opts.cc (c_common_post_options): Set flag_char8_t if targeting C2x. 2022-07-31 Lewis Hyatt PR c++/66290 * c-common.h: Rename global done_lexing to override_libcpp_locations. * c-common.cc (c_cpp_diagnostic): Likewise. * c-opts.cc (c_common_finish): Set override_libcpp_locations (formerly done_lexing) immediately prior to calling cpp_finish (). 2022-07-27 Lewis Hyatt * c-ppoutput.cc (token_streamer::stream): Update input_location prior to streaming each token. 2022-07-23 Immad Mir * c-attribs.cc: (c_common_attribute_table): add three new attributes namely: fd_arg, fd_arg_read and fd_arg_write. (handle_fd_arg_attribute): New. 2022-07-15 Marek Polacek PR c++/104477 * c-common.cc (c_common_reswords): Add __reference_constructs_from_temporary and __reference_converts_from_temporary. * c-common.h (enum rid): Add RID_REF_CONSTRUCTS_FROM_TEMPORARY and RID_REF_CONVERTS_FROM_TEMPORARY. 2022-07-15 Jonathan Wakely * c-format.cc (class range_label_for_format_type_mismatch): Adjust to new label_text API. 2022-07-11 Lewis Hyatt PR preprocessor/106252 * c-pragma.cc (handle_pragma_diagnostic_impl): Don't look up the option argument prior to verifying the option was found. 2022-07-07 David Malcolm * c-format.cc (range_label_for_format_type_mismatch::get_text): Update for removal of label_text::maybe_free in favor of automatic memory management. 2022-07-06 Lewis Hyatt PR preprocessor/53920 PR c++/53431 * c-common.cc (c_option_is_from_cpp_diagnostics): New function. * c-common.h (c_option_is_from_cpp_diagnostics): Declare. (c_pp_stream_token): Declare. * c-ppoutput.cc (init_pp_output): Refactor logic about skipping pragmas to... (should_output_pragmas): ...here. New function. (token_streamer::stream): Support handling early pragmas. (do_line_change): Likewise. (c_pp_stream_token): New function. * c-pragma.cc (struct pragma_diagnostic_data): New helper class. (pragma_diagnostic_lex_normal): New function. Moved logic for interpreting GCC diagnostic pragmas here. (pragma_diagnostic_lex_pp): New function for parsing diagnostic pragmas directly from libcpp. (handle_pragma_diagnostic): Refactor into helper function... (handle_pragma_diagnostic_impl): ...here. New function. (handle_pragma_diagnostic_early): New function. (handle_pragma_diagnostic_early_pp): New function. (struct pragma_ns_name): Renamed to... (struct pragma_pp_data): ...this. Add new "early_handler" member. (c_register_pragma_1): Support early pragmas in the preprocessor. (c_register_pragma_with_early_handler): New function. (c_register_pragma): Support the new early handlers in struct internal_pragma_handler. (c_register_pragma_with_data): Likewise. (c_register_pragma_with_expansion): Likewise. (c_register_pragma_with_expansion_and_data): Likewise. (c_invoke_early_pragma_handler): New function. (c_pp_invoke_early_pragma_handler): New function. (init_pragma): Add early pragma support for diagnostic pragmas. * c-pragma.h (struct internal_pragma_handler): Add new early handler members. (c_register_pragma_with_early_handler): Declare. (c_invoke_early_pragma_handler): Declare. (c_pp_invoke_early_pragma_handler): Declare. 2022-07-05 Marek Polacek PR c++/105626 * c-format.cc (check_format_arg): Don't emit -Wformat warnings with u8 strings. 2022-07-01 Marek Polacek PR c++/106111 * c-common.h (enum rid): Update RID_LAST_CXX20. 2022-06-30 Jonathan Wakely * known-headers.cc (get_stdlib_header_for_name): Add names. 2022-06-24 Jason Merrill PR c++/87729 PR c++/20423 * c.opt (Woverloaded-virtual): Add levels, include in -Wall. 2022-06-18 Jakub Jelinek * c-ubsan.cc (ubsan_instrument_division, ubsan_instrument_shift): Use flag_sanitize_trap & SANITIZE_??? instead of flag_sanitize_undefined_trap_on_error. If 2 sanitizers are involved and flag_sanitize_trap differs for them, emit __builtin_trap only for the comparison where trap is requested. (ubsan_instrument_vla, ubsan_instrument_return): Use lag_sanitize_trap & SANITIZE_??? instead of flag_sanitize_undefined_trap_on_error. 2022-06-13 Jason Merrill * c-ubsan.cc (ubsan_instrument_return): Use BUILTINS_LOCATION. 2022-05-27 Marek Polacek PR c/90658 * c-attribs.cc (get_priority): Check FUNCTION_DECL. 2022-05-27 Jakub Jelinek * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ENTER. 2022-05-20 David Malcolm * c-format.cc: Replace uses of "FINAL" and "OVERRIDE" with "final" and "override". * c-pretty-print.h: Likewise. 2022-05-18 Marek Polacek PR c/105131 * c.opt (Wenum-int-mismatch): New. 2022-05-18 Marek Polacek PR c++/105497 * c-warn.cc (c_do_switch_warnings): Don't warn about unhandled enumerator when it was marked with attribute unused. 2022-05-18 Eric Botcazou * c-ada-spec.cc (dump_ada_node) : Deal with usual floating-point complex types. : Do not use limited_with clause if the designated type is a scalar type. 2022-05-17 Jakub Jelinek * c-omp.cc (c_finish_omp_depobj): Handle OMP_CLAUSE_DEPEND_INOUTSET. 2022-05-16 Jason Merrill PR c/105492 * c-attribs.cc (handle_mode_attribute): Don't fix broken typedefs here. 2022-05-16 Martin Liska * c-common.cc (ARRAY_SIZE): Use ARRAY_SIZE. (c_common_nodes_and_builtins): Likewise. * c-format.cc (check_tokens): Likewise. (check_plain): Likewise. * c-pragma.cc (c_pp_lookup_pragma): Likewise. (init_pragma): Likewise. * known-headers.cc (get_string_macro_hint): Likewise. (get_stdlib_header_for_name): Likewise. * c-attribs.cc: Likewise. 2022-05-13 Richard Biener * c-omp.cc: Remove gimple-fold.h include. 2022-05-12 Jakub Jelinek * c-common.h (enum rid): Add RID_OMP_ALL_MEMORY. * c-omp.cc (c_finish_omp_depobj): Don't build_fold_addr_expr if null_pointer_node. 2022-05-11 Martin Liska PR target/105355 * c-opts.cc (c_common_handle_option): Change option name. * c.opt: Remove Joined and use Separate option. 2022-05-09 Alex Coplan * c-common.h (get_dump_info): Delete. * c-gimplify.cc (c_genericize): Get TDI_original dump file info from the global dump_manager instead of the (now obsolete) get_dump_info. * c-opts.cc (original_dump_file): Delete. (original_dump_flags): Delete. (c_common_parse_file): Switch to using global dump_manager to manage the original dump file; fix leak of dump file. (get_dump_info): Delete. 2022-05-07 Marek Polacek PR c++/101833 PR c++/47634 * c-attribs.cc (positional_argument): Pass POS by reference. Deal with FN being either a function declaration or function type. Use maybe_adjust_arg_pos_for_attribute. * c-common.cc (check_function_arguments): Maybe pass FNDECL down to check_function_format. * c-common.h (maybe_adjust_arg_pos_for_attribute): Declare. (positional_argument): Adjust. * c-format.cc (get_constant): Rename to ... (validate_constant): ... this. Take EXPR by reference. Return bool instead of tree. (handle_format_arg_attribute): Don't overwrite FORMAT_NUM_EXPR by the return value of validate_constant. (decode_format_attr): Don't overwrite FORMAT_NUM_EXPR and FIRST_ARG_NUM_EXPR by the return value of validate_constant. (check_function_format): Adjust a parameter name. (handle_format_attribute): Maybe pass FNDECL down to decode_format_attr. 2022-05-04 Marek Polacek * c-warn.cc (warnings_for_convert_and_check): Convert constants of type char to int. 2022-04-30 Jason Merrill PR c/100545 * c-attribs.cc (handle_mode_attribute): Copy attributes, aligned, and typedef. * c-common.cc (set_underlying_type): Add assert. 2022-04-26 Patrick Palka PR c++/105304 * c-common.cc (verify_tree) [restart]: Move up to before the NULL test. 2022-04-11 Jakub Jelinek PR c++/105186 * c-common.cc (c_common_nodes_and_builtins): After registering __int%d and __int%d__ builtin types, initialize corresponding ridpointers entry. 2022-03-30 Marek Polacek PR c++/101030 * c-warn.cc (conversion_warning) : Don't call conversion_warning when OP1 is null. 2022-03-30 Thomas Schwinge * c.opt (Wc++11-extensions, Wc++14-extensions, Wc++17-extensions) (Wc++20-extensions, Wc++23-extensions): Remove 'LangEnabledBy' option properties. 2022-03-30 Thomas Schwinge * c.opt (Wuse-after-free): Remove. 2022-03-30 Thomas Schwinge * c.opt (Warray-bounds): Remove. 2022-03-26 Thomas Schwinge * c.opt: Properly quote comment. 2022-03-25 Eric Botcazou * c-ada-spec.cc (dump_ada_import): Deal with the "section" attribute (dump_ada_node) : Do not modify and pass the name, but the referenced type instead. Deal with the anonymous original type of a typedef'ed type. In the actual access case, follow the chain of external subtypes. : Tidy up control flow. 2022-03-21 Qian Jianhua * c-ada-spec.cc: Change array length 2022-03-19 Arthur Cohen * c-common.cc (c_family_tests): Call the new tests. * c-common.h (c_diagnostic_tests): Declare. (c_opt_problem_cc_tests): Likewise. 2022-03-19 Jakub Jelinek PR c++/101515 * c-pretty-print.cc (c_fold_indirect_ref_for_warn): For C++ don't return COMPONENT_REFs with FIELD_DECLs whose containing scope can't be printed. 2022-03-16 Christophe Lyon Roger Sayle PR c/98198 * c-attribs.cc (decl_or_type_attrs): Add error_mark_node check. 2022-03-16 Patrick Palka PR c++/96780 * c.opt: Add -ffold-simple-inlines. 2022-03-13 Tobias Burnus * c-target.def (check_string_object_format_arg): Fix description typo. 2022-03-12 Thomas Schwinge PR other/65095 * c-common.h (c_omp_map_clause_name): Remove. * c-omp.cc (c_omp_map_clause_name): Remove. 2022-03-09 Jakub Jelinek PR c/104711 * c-opts.cc (c_common_post_options): Don't enable -Wshift-negative-value from -Wextra for C++20 or later. * c-ubsan.cc (ubsan_instrument_shift): Adjust comments. * c-warn.cc (maybe_warn_shift_overflow): Use TYPE_OVERFLOW_WRAPS instead of TYPE_UNSIGNED. 2022-03-07 Jakub Jelinek * c-attribs.cc: Fix up duplicated word issue in a comment. 2022-03-01 Martin Liska PR ipa/104533 * c-attribs.cc (handle_target_clones_attribute): Use get_target_clone_attr_len and report warning soon. 2022-02-17 Jonathan Wakely * c-pragma.cc (handle_pragma_pack): Remove parameter name. (handle_pragma_weak): Likewise. (handle_pragma_scalar_storage_order): Likewise. (handle_pragma_redefine_extname): Likewise. (handle_pragma_visibility): Likewise. (handle_pragma_diagnostic): Likewise. (handle_pragma_target): Likewise. (handle_pragma_optimize): Likewise. (handle_pragma_push_options): Likewise. (handle_pragma_pop_options): Likewise. (handle_pragma_reset_options): Likewise. (handle_pragma_message): Likewise. (handle_pragma_float_const_decimal64): Likewise. 2022-02-16 Jakub Jelinek PR c/104531 * c-omp.cc (c_finish_omp_atomic): For MIN_EXPR/MAX_EXPR, try first build_binary_op with LT_EXPR and only if that doesn't return error_mark_node call build_modify_expr. 2022-02-16 Jakub Jelinek PR c/104510 * c-common.cc (shorten_compare): Convert original arguments to the original *restype_ptr when mixing binary and decimal float. 2022-02-14 Richard Biener PR c/104505 * c-pretty-print.cc (c_pretty_printer::postfix_expression): Handle internal function calls. 2022-02-11 Richard Biener * c-attribs.cc (c_common_attribute_table): Add entry for vector_mask. (handle_vector_mask_attribute): New. 2022-02-10 Marcel Vollweiler * c-omp.cc (c_omp_split_clauses): Added OMP_CLAUSE_HAS_DEVICE_ADDR case. * c-pragma.h (enum pragma_kind): Added 5.1 in comment. (enum pragma_omp_clause): Added PRAGMA_OMP_CLAUSE_HAS_DEVICE_ADDR. 2022-02-09 Jason Merrill * c-cppbuiltin.cc (c_cpp_builtins): Update values of __cpp_constexpr and __cpp_concepts for C++20. 2022-01-24 Marek Polacek PR preprocessor/104030 * c.opt (Wbidi-chars): Mark as EnumSet. Also accept =ucn. 2022-01-21 Jakub Jelinek PR c++/104148 * c-common.h (check_function_arguments_recurse): Add for_format arg. * c-common.cc (check_function_nonnull): Pass false to check_function_arguments_recurse's last argument. (check_function_arguments_recurse): Add for_format argument, if true, don't stop on warning_suppressed_p. * c-format.cc (check_format_info): Pass true to check_function_arguments_recurse's last argument. 2022-01-19 David Malcolm * c-common.cc (c_common_c_tests): Rename to... (c_common_cc_tests): ...this. (c_family_tests): Update calls for .c to .cc renaming. * c-common.h (c_format_c_tests): Rename to... (c_format_cc_tests): ...this. (c_indentation_c_tests): Rename to... (c_indentation_cc_tests): ...this. (c_pretty_print_c_tests): Rename to... (c_pretty_print_cc_tests): ...this. * c-format.cc (c_format_c_tests): Rename to... (c_format_cc_tests): ...this. * c-indentation.cc (c_indentation_c_tests): Rename to... (c_indentation_cc_tests): ...this. * c-pretty-print.cc (c_pretty_print_c_tests): Rename to... (c_pretty_print_cc_tests): ...this. 2022-01-17 Martin Liska * c-ada-spec.cc: Rename .c names to .cc. * c-ada-spec.h: Likewise. * c-common.cc (c_build_vec_convert): Likewise. (warning_candidate_p): Likewise. * c-common.h (enum rid): Likewise. (build_real_imag_expr): Likewise. (finish_label_address_expr): Likewise. (c_get_substring_location): Likewise. (c_build_bind_expr): Likewise. (conflict_marker_get_final_tok_kind): Likewise. (c_parse_error): Likewise. (check_missing_format_attribute): Likewise. (invalid_array_size_error): Likewise. (warn_for_multistatement_macros): Likewise. (build_attr_access_from_parms): Likewise. * c-cppbuiltin.cc (c_cpp_builtins): Likewise. * c-format.cc: Likewise. * c-gimplify.cc (c_gimplify_expr): Likewise. * c-indentation.h: Likewise. * c-objc.h (objc_prop_attr_kind_for_rid): Likewise. * c-omp.cc (c_omp_predetermined_mapping): Likewise. * c-opts.cc (c_common_post_options): Likewise. (set_std_cxx23): Likewise. * c-pragma.cc (handle_pragma_redefine_extname): Likewise. * c-pretty-print.h: Likewise. 2022-01-17 Martin Liska * c-ada-spec.c: Moved to... * c-ada-spec.cc: ...here. * c-attribs.c: Moved to... * c-attribs.cc: ...here. * c-common.c: Moved to... * c-common.cc: ...here. * c-cppbuiltin.c: Moved to... * c-cppbuiltin.cc: ...here. * c-dump.c: Moved to... * c-dump.cc: ...here. * c-format.c: Moved to... * c-format.cc: ...here. * c-gimplify.c: Moved to... * c-gimplify.cc: ...here. * c-indentation.c: Moved to... * c-indentation.cc: ...here. * c-lex.c: Moved to... * c-lex.cc: ...here. * c-omp.c: Moved to... * c-omp.cc: ...here. * c-opts.c: Moved to... * c-opts.cc: ...here. * c-pch.c: Moved to... * c-pch.cc: ...here. * c-ppoutput.c: Moved to... * c-ppoutput.cc: ...here. * c-pragma.c: Moved to... * c-pragma.cc: ...here. * c-pretty-print.c: Moved to... * c-pretty-print.cc: ...here. * c-semantics.c: Moved to... * c-semantics.cc: ...here. * c-ubsan.c: Moved to... * c-ubsan.cc: ...here. * c-warn.c: Moved to... * c-warn.cc: ...here. * cppspec.c: Moved to... * cppspec.cc: ...here. * stub-objc.c: Moved to... * stub-objc.cc: ...here. 2022-01-15 Martin Sebor PR c/63272 * c.opt (-Wdangling-pointer): New option. 2022-01-15 Martin Sebor PR tree-optimization/80532 * c.opt (-Wuse-after-free): New options. 2022-01-14 David Malcolm * c-attribs.c (c_common_attribute_table): Add "tainted_args". (handle_tainted_args_attribute): New. 2022-01-13 Anthony Sharp Jason Merrill PR c++/70417 * c.opt: Added -Wmissing-template-keyword. 2022-01-13 Richard Biener PR c/104002 * c-common.c (c_common_mark_addressable_vec): Handle TARGET_EXPR. 2022-01-12 Martin Liska PR target/103804 * c-attribs.c (handle_optimize_attribute): Do not call cl_optimization_compare if we seen an error. 2022-01-11 Jakub Jelinek PR c/101537 PR c/103881 * c-warn.c (conversion_warning): Handle BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR. 2022-01-10 Richard Biener PR middle-end/101530 * c-common.c (c_build_shufflevector): Wrap the BIT_FIELD_REF in a TARGET_EXPR to force a temporary. 2022-01-06 Marek Polacek PR c++/103758 * c-pragma.c (handle_pragma_scalar_storage_order): Use %< %> in diagnostic messages. (handle_pragma_diagnostic): Likewise. 2022-01-03 Marek Polacek PR c++/103758 * c-format.c (check_tokens): Accept "decl-specifier*". 2022-01-03 Jakub Jelinek PR c++/103600 * c-attribs.c (handle_non_overlapping_attribute): New function. (c_common_attribute_table): Add "non overlapping" attribute. 2021-12-30 Jakub Jelinek PR c++/103012 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Perform cpp_define_unused/cpp_undef calls with forced token locations BUILTINS_LOCATION. 2021-12-27 Patrick Palka PR c++/103700 * c-common.c (pointer_int_sum): When quiet, return error_mark_node for an incomplete pointed-to type and don't call size_in_bytes_loc. 2021-12-17 Jason Merrill PR c++/103681 * c-opts.c (c_common_post_options): Update defaults. 2021-12-16 Martin Liska PR target/103709 * c-pragma.c (handle_pragma_pop_options): Do not check global options modification when an error is seen in parsing of options (pragmas or attributes). 2021-12-12 Jonathan Wakely * known-headers.cc: Define INCLUDE_MEMORY instead of INCLUDE_UNIQUE_PTR. * name-hint.h: Likewise. (class name_hint): Use std::unique_ptr instead of gnu::unique_ptr. 2021-12-09 Jakub Jelinek PR pch/71934 * c-pch.c (c_common_no_more_pch): Pass a temporary void * var with NULL value instead of NULL to host_hooks.gt_pch_use_address. 2021-12-03 Jakub Jelinek PR pch/71934 * c-pch.c (struct c_pch_validity): Remove pch_init member. (pch_init): Don't initialize v.pch_init. (c_common_valid_pch): Don't warn and punt if .text addresses change. 2021-12-01 Jason Merrill PR c++/103310 * c.opt: Add -fconstexpr-fp-except. 2021-11-29 Richard Biener * c-format.c (check_format_string): Remove spurious gcc_unreachable. 2021-11-29 Richard Biener * c-opts.c (c_common_post_options): Remove unreachable return. * c-pragma.c (handle_pragma_target): Likewise. (handle_pragma_optimize): Likewise. 2021-11-25 Jakub Jelinek PR c++/102611 * c-opts.c (c_common_post_options): Enable -Wcomma-subscript by default for C++23 regardless of warn_deprecated. * c-cppbuiltin.c (c_cpp_builtins): Predefine __cpp_multidimensional_subscript=202110L for C++23. 2021-11-23 Martin Sebor PR middle-end/88232 * c.opt: Add -Winfinite-recursion. 2021-11-19 Martin Sebor PR c++/33925 PR c/102867 * c-common.c (decl_with_nonnull_addr_p): Call maybe_nonzero_address and improve handling tof defined symbols. 2021-11-19 Martin Liska Revert: 2021-11-18 Martin Liska * c-gimplify.c (genericize_c_loop): Use option directly. 2021-11-18 Matthias Kretz * c-common.c (c_common_reswords): Add __builtin_assoc_barrier. * c-common.h (enum rid): Add RID_BUILTIN_ASSOC_BARRIER. 2021-11-18 Martin Liska * c-gimplify.c (genericize_c_loop): Use option directly. 2021-11-17 Martin Uecker PR c/91038 PR c/29970 * c-common.c (pointer_int_sum): Make sure pointer expressions are evaluated first when the size expression depends on for variably-modified types. 2021-11-17 Marek Polacek PR preprocessor/103026 * c.opt (Wbidi-chars, Wbidi-chars=): New option. 2021-11-16 Jason Merrill * c-common.c (release_tree_vector): Only cache vecs smaller than 16 elements. 2021-11-15 Jason Merrill * c.opt: Add -fimplicit-constexpr. * c-cppbuiltin.c: Define __cpp_implicit_constexpr. * c-opts.c (c_common_post_options): Disable below C++14. 2021-11-15 Jakub Jelinek * c-omp.c (c_omp_split_clauses) : Duplicate to both OMP_TARGET and OMP_TEAMS. 2021-11-10 Marek Polacek PR c++/101940 * c-pragma.c (handle_pragma_diagnostic): Handle #pragma GCC diagnostic ignored_attributes. 2021-11-09 David Malcolm * c-pragma.c (GCC_BAD_AT): New macro. (GCC_BAD2_AT): New macro. (handle_pragma_pack): Use the location of the pertinent token when issuing diagnostics about invalid constants/actions, and trailing junk. (handle_pragma_target): Likewise for non-string "GCC option". (handle_pragma_message): Likewise for trailing junk. 2021-11-03 Joseph Myers PR c/103031 * c-common.c (convert_and_check): Add argument init_const. Call convert_init if init_const. * c-common.h (convert_and_check): Update prototype. (convert_init): New prototype. 2021-11-01 David Malcolm * c-lex.c (c_lex_with_flags): When complaining about non-printable CPP_OTHER tokens, set the "escape on output" flag. 2021-10-27 Jakub Jelinek * c-omp.c (c_omp_check_loop_iv_r): Don't clear 3rd bit for POINTER_PLUS_EXPR. (c_omp_check_nonrect_loop_iv): Handle POINTER_PLUS_EXPR. (c_omp_check_loop_iv): Set kind even if the iterator is non-integral. 2021-10-27 Jakub Jelinek PR c++/102854 * c-common.h (c_omp_check_loop_iv_exprs): Add enum tree_code argument. * c-omp.c (c_omp_check_loop_iv_r): For trees other than decls, TREE_VEC, PLUS_EXPR, MINUS_EXPR, MULT_EXPR, POINTER_PLUS_EXPR or conversions temporarily clear the 3rd bit from d->kind while walking subtrees. (c_omp_check_loop_iv_exprs): Add CODE argument. Or in 4 into data.kind if possibly non-rectangular. 2021-10-21 Jakub Jelinek PR middle-end/64888 * c-omp.c (c_omp_predefined_variable): Return true also for ubsan_create_data created artificial variables. 2021-10-14 Joseph Myers * c-format.c (printf_length_specs, scanf_length_specs) (print_char_table, scan_char_table): Support DFP formats for C2X. * c-format.h (TEX_D32, TEX_D64, TEX_D128): Remove. (T2X_D32, T2X_D64, T2X_D128): New macros. 2021-10-14 Kwok Cheung Yeung * c-omp.c (c_omp_check_context_selector): Rename to omp_check_context_selector and move to omp-general.c. (c_omp_mark_declare_variant): Rename to omp_mark_declare_variant and move to omp-general.c. 2021-10-12 Joseph Myers * c-format.c (print_char_table): Add %b and %B formats. (scan_char_table): Add %b format. * c-format.h (T2X_UI, T2X_UL, T2X_ULL, T2X_US, T2X_UC, T2X_ST) (T2X_UPD, T2X_UIM): New macros. 2021-10-12 Jakub Jelinek * c-omp.c (c_finish_omp_atomic): Use clear_padding_type_may_have_padding_p. 2021-10-08 Martin Liska * c-opts.c (c_common_post_options): Use new macro OPTION_SET_P. 2021-10-07 Martin Liska * c-common.c (parse_optimize_options): Make save_opt_decoded_options a pointer type. 2021-10-06 Jakub Jelinek PR tree-optimization/102571 * c-omp.c (c_finish_omp_atomic): Optimize the case where type has padding, but the non-padding bits are contiguous set of bytes by adjusting the memcmp call arguments instead of emitting __builtin_clear_padding and then comparing all the type's bytes. 2021-10-06 Jakub Jelinek PR c++/102612 * c-cppbuiltin.c (c_cpp_builtins): For -std=c++23 predefine __cpp_constexpr to 202110L rather than 201907L. 2021-10-04 Marek Polacek PR c++/97573 * c-common.h (do_warn_array_compare): Declare. * c-warn.c (do_warn_array_compare): New. * c.opt (Warray-compare): New option. 2021-10-02 Iain Sandoe * c-format.c: Remove a test of TARGET_FORMAT_TYPES with NULL, this is not needed. 2021-10-01 Martin Sebor PR c/102103 * c-common.c (decl_with_nonnull_addr_p): Handle members. Check and perform warning suppression. (c_common_truthvalue_conversion): Enhance warning suppression. 2021-10-01 Martin Liska PR target/102552 * c-common.c (parse_optimize_options): decoded_options[0] is used for program name, so merged_decoded_options should also respect that. 2021-10-01 Jakub Jelinek Richard Biener PR sanitizer/102515 * c-ubsan.c (ubsan_instrument_division): Check the right flag_sanitize_recover bit, depending on which sanitization is done. Sanitize INT_MIN / -1 under SANITIZE_SI_OVERFLOW rather than SANITIZE_DIVIDE. If both SANITIZE_SI_OVERFLOW and SANITIZE_DIVIDE is enabled, neither check is known to be false and flag_sanitize_recover bits for those two aren't the same, emit both __ubsan_handle_divrem_overflow and __ubsan_handle_divrem_overflow_abort calls. 2021-10-01 Martin Liska * c-common.c (parse_optimize_options): Combine optimize options with what was provided on the command line. 2021-10-01 Jakub Jelinek * c-omp.c (c_omp_split_clauses): Also copy OMP_CLAUSE_ORDER_REPRODUCIBLE. 2021-09-27 Martin Liska * c-opts.c (c_common_init_options_struct): Set also x_flag_default_complex_method. 2021-09-22 Jakub Jelinek * c-omp.c (c_omp_split_clauses): Copy over OMP_CLAUSE_ALLOCATE_ALIGN. 2021-09-20 Matthias Kretz * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define or undefine __RECIPROCAL_MATH__, __NO_SIGNED_ZEROS__, __NO_TRAPPING_MATH__, __ASSOCIATIVE_MATH__, and __ROUNDING_MATH__ according to the new optimization flags. 2021-09-18 Jakub Jelinek * c-omp.c (c_omp_split_clauses): Split order clause also to distribute construct. Copy over OMP_CLAUSE_ORDER_UNCONSTRAINED. 2021-09-17 Jakub Jelinek * c-omp.c (c_finish_omp_atomic): Avoid creating TARGET_EXPR if test is true, use create_tmp_var_raw instead of create_tmp_var and add a zero initializer to TARGET_EXPRs that had NULL initializer. When omitting operands after v = x, use type of v rather than type of x. Fix type of vtmp TARGET_EXPR. 2021-09-13 Jason Merrill * c.opt: Add -Winterference-size. * c-cppbuiltin.c (cpp_atomic_builtins): Add __GCC_DESTRUCTIVE_SIZE and __GCC_CONSTRUCTIVE_SIZE. 2021-09-10 Jakub Jelinek * c-common.h (c_finish_omp_atomic): Add r and weak arguments. * c-omp.c: Include gimple-fold.h. (c_finish_omp_atomic): Add r and weak arguments. Add support for OpenMP 5.1 atomics. 2021-09-09 qing zhao * c-attribs.c (handle_uninitialized_attribute): New function. (c_common_attribute_table): Add "uninitialized" attribute. 2021-09-08 liuhongt * c-common.c (excess_precision_mode_join): Update below comments. (c_ts18661_flt_eval_method): Set excess_precision_type to EXCESS_PRECISION_TYPE_FLOAT16 when -fexcess-precision=16. * c-cppbuiltin.c (cpp_atomic_builtins): Update below comments. (c_cpp_flt_eval_method_iec_559): Set excess_precision_type to EXCESS_PRECISION_TYPE_FLOAT16 when -fexcess-precision=16. 2021-09-07 Marcel Vollweiler * c-omp.c (c_finish_omp_flush): Handle MEMMODEL_SEQ_CST. 2021-09-03 Eric Botcazou * c-ada-spec.c (dump_ads): Generate pragmas to disable style checks and -gnatwu warning for the package specification. 2021-09-01 Iain Sandoe * c-attribs.c (handle_unavailable_attribute): New. 2021-08-30 Jason Merrill * c.opt: Add -Wmissing-requires. 2021-08-25 Lewis Hyatt PR other/93067 * c-opts.c (c_common_input_charset_cb): New function. (c_common_post_options): Call new function diagnostic_initialize_input_context(). 2021-08-20 Tobias Burnus * c-format.c (gcc_gfc_length_specs): Add 'll' and 'w'. (gcc_gfc_char_table): Add T9L_LL and T9L_ULL to "di" and "u", respecitively; fill with BADLEN to match size of 'types'. (get_init_dynamic_hwi): Split off from ... (init_dynamic_diag_info): ... here. Call it. (init_dynamic_gfc_info): Call it. 2021-08-20 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ERROR. * c-pragma.c (omp_pragmas): Add error directive. * c-omp.c (omp_directives): Uncomment error directive entry. 2021-08-18 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_NOTHING. * c-pragma.c (omp_pragmas): Add nothing directive. * c-omp.c (omp_directives): Uncomment nothing directive entry. 2021-08-17 Jakub Jelinek PR c++/101539 * c-common.h (enum rid): Add RID_IS_LAYOUT_COMPATIBLE. * c-common.c (c_common_reswords): Add __is_layout_compatible. 2021-08-17 Matt Jacobson * c-opts.c (c_common_post_options): Default to flag_objc_sjlj_exceptions = 1 only when flag_objc_abi < 2. 2021-08-17 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCOPE. * c-pragma.c (omp_pragmas): Add scope construct. * c-omp.c (omp_directives): Uncomment scope directive entry. 2021-08-16 Sebastian Huber * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_GCOV_TYPE_SIZE if flag_building_libgcc is true. 2021-08-12 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_MASKED. (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FILTER. * c-pragma.c (omp_pragmas_simd): Add masked construct. * c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_MASKED enumerator. (c_finish_omp_masked): Declare. * c-omp.c (c_finish_omp_masked): New function. (c_omp_split_clauses): Handle combined masked constructs. 2021-07-30 Jakub Jelinek PR c++/101539 * c-common.h (enum rid): Add RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF. * c-common.c (c_common_reswords): Add __is_pointer_interconvertible_base_of. 2021-07-29 Richard Biener PR c/101512 * c-common.c (c_common_mark_addressable_vec): Look through C_MAYBE_CONST_EXPR even if not at the toplevel. 2021-07-27 Martin Sebor PR c/101585 * c-warn.c (warn_parm_ptrarray_mismatch): Use OEP_DECL_NAME. 2021-07-23 Jakub Jelinek * c-lex.c (c_common_has_attribute): Call canonicalize_attr_name also on attr_id. Return 1 for omp::directive or omp::sequence in C++11 and later. 2021-07-23 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP__START_ and PRAGMA_OMP__LAST_ enumerators. 2021-07-21 Thomas Schwinge Joseph Myers Cesar Philippidis * c-pragma.h (pragma_omp_clause): Add 'PRAGMA_OACC_CLAUSE_NOHOST'. 2021-07-20 Martin Sebor * c-common.c (c_build_shufflevector): Adjust by-value argument to by-const-reference. * c-common.h (c_build_shufflevector): Same. 2021-07-16 Andrew Pinski PR c/101453 * c-common.c (parse_optimize_options): Use the correct size for buffer. 2021-07-15 Martin Sebor PR c/101289 PR c/97548 * c-warn.c (warn_parm_array_mismatch): Use OEP_DECL_NAME. 2021-07-14 Jason Merrill * c-opts.c (c_common_post_options): Set -fdelete-dead-exceptions. 2021-07-06 Martin Sebor * c-format.c (gcc_tdiag_char_table): Remove support for %G and %K. (gcc_cdiag_char_table): Same. (gcc_cxxdiag_char_table): Same. 2021-07-02 Jakub Jelinek * c-common.h (enum c_omp_directive_kind): New enum. (struct c_omp_directive): New type. (c_omp_categorize_directive): Declare. * c-omp.c (omp_directives): New variable. (c_omp_categorize_directive): New function. 2021-07-01 Eric Botcazou * c-ada-spec.c (packed_layout): New global variable. (dump_ada_declaration): Set it upon seeing a packed record type. Do not put the "aliased" keyword if it is set. (dump_ada_structure): Add Pack aspect if it is set and clear it. 2021-07-01 Eric Botcazou * c-ada-spec.c (check_name): Rename into... (check_type_name_conflict): ...this. Minor tweak. (dump_ada_function_declaration): Adjust to above renaming. (dump_ada_array_domains): Fix oversight. (dump_ada_declaration): Call check_type_name_conflict for variables. 2021-06-25 Martin Sebor * c-common.c (c_wrap_maybe_const): Remove TREE_NO_WARNING. (c_common_truthvalue_conversion): Replace direct uses of TREE_NO_WARNING with warning_suppressed_p, suppress_warning, and copy_no_warning. (check_function_arguments_recurse): Same. * c-gimplify.c (c_gimplify_expr): Same. * c-warn.c (overflow_warning): Same. (warn_logical_operator): Same. (warn_if_unused_value): Same. (do_warn_unused_parameter): Same. 2021-06-24 Jakub Jelinek * c-common.h (enum c_omp_region_type): Add C_ORT_TARGET and C_ORT_OMP_TARGET. * c-omp.c (c_omp_split_clauses): For OMP_CLAUSE_IN_REDUCTION on combined target constructs also add map (always, tofrom:) clause. 2021-06-15 Robin Dapp * c-attribs.c (common_handle_aligned_attribute): Remove short circuit and dead code. 2021-06-14 Jonathan Wakely PR c++/101052 * known-headers.cc (get_stdlib_header_for_name): Add known headers for EXIT_FAILURE, EXIT_SUCCESS, abort, atexit, calloc, exit, and getenv. 2021-06-12 Jason Merrill * c-attribs.c (handle_unused_attribute): Handle FIELD_DECL. 2021-06-11 Jakub Jelinek PR c++/100974 * c-cppbuiltin.c (c_cpp_builtins): Predefine __cpp_if_consteval for -std=c++2b for P1938R3 consteval if support. 2021-06-09 Jason Merrill PR c++/100879 * c-warn.c (warn_for_sign_compare): Remove C++ enum mismatch warning. 2021-06-07 Martin Liska * c-target.def: Split long lines and replace them with '\n\'. 2021-06-04 Martin Sebor PR c/100783 * c-attribs.c (positional_argument): Bail on erroneous types. 2021-06-04 Martin Sebor * c-warn.c (warn_parm_array_mismatch): Check TREE_PURPOSE to test for element presence. 2021-06-03 Eric Botcazou * c-ada-spec.c (dump_ada_macros): Minor tweaks. (dump_ada_decl_name): Likewise. (dump_anonymous_type_name): Remove parent parameter and adjust. (dump_sloc): Minor tweak. (dump_ada_array_type): Remove type parameter and adjust. (dump_ada_enum_type): Remove parent parameter and adjust. (dump_ada_node): Adjust calls to above functions. (dumped_anonymous_types): New global variable. (dump_nested_types_1): Rename into... (dump_nested_types): ...this. (dump_nested_type): Remove parent and dumped_types parameters. : Replace dumped_types with dumped_anonymous_types. Adjust calls to dump_anonymous_type_name and dump_ada_array_type. (dump_ada_specs): Initialize and free dumped_anonymous_types. 2021-06-03 Eric Botcazou * c-ada-spec.c (pp_ada_tree_identifier): Tidy up. (dump_ada_node) : Deal specially with external subtypes. 2021-06-03 Eric Botcazou * c-ada-spec.c (dump_ada_enum_type): Dump a prefix for constants. (htable_t): New typedef. (overloaded_names): Use it. (add_name): New function. (init_overloaded_names): Use add_name to populate the table and add special cases for sigaction and stat. (overloaded_name_p): Rename into... (overloading_index): ...this. Do not initialize overloaded_names table here. Return the index or zero. (dump_ada_declaration): Minor tweaks. Do not skip overloaded functions but add an overloading suffix instead. (dump_ada_specs): Initialize overloaded_names tables here. 2021-06-01 Martin Liska PR other/100759 * c-attribs.c (handle_optimize_attribute): Limit sanity check to a situation where we are not in processing of an optimize pragma. * c-pragma.c (handle_pragma_pop_options): Restore target options. 2021-05-31 Indu Bhagat PR testsuite/100749 * c-pch.c (c_common_valid_pch): Use xstrdup for debug format set names. 2021-05-31 Richard Biener PR c++/88601 * c-common.c: Include tree-vector-builder.h and vec-perm-indices.h. (c_common_reswords): Add __builtin_shufflevector. (c_build_shufflevector): New funtion. * c-common.h (enum rid): Add RID_BUILTIN_SHUFFLEVECTOR. (c_build_shufflevector): Declare. 2021-05-28 Jakub Jelinek PR middle-end/99928 * c-omp.c (c_omp_split_clauses): For reduction clause if combined with target add a map tofrom clause with OMP_CLAUSE_MAP_IMPLICIT. 2021-05-28 Tobias Burnus * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_AFFINITY. 2021-05-25 Martin Liska PR tree-optimization/92860 PR target/99592 * c-attribs.c (handle_optimize_attribute): Save target node before calling parse_optimize_options and save it in case it changes. * c-pragma.c (handle_pragma_target): Similarly for pragma. (handle_pragma_pop_options): Likewise here. 2021-05-25 Martin Liska * c-attribs.c (handle_no_sanitize_coverage_attribute): New. 2021-05-25 Jakub Jelinek PR middle-end/99928 * c-omp.c (c_omp_split_clauses): Copy reduction to teams when teams is combined with simd and not with taskloop or for. 2021-05-21 Jakub Jelinek PR middle-end/99928 * c-omp.c (c_omp_split_clauses): Set OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT on firstprivate clause copy going to target construct, and for target simd set also OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET bit. 2021-05-20 Jonathan Wakely * c.opt (Wc++11-extensions, Wc++14-extensions) (Wc++17-extensions, Wc++20-extensions, Wc++23-extensions): New options. 2021-05-20 Indu Bhagat * c-lex.c (init_c_lex): Use dwarf_debuginfo_p. 2021-05-20 Indu Bhagat * c-opts.c (c_common_post_options): Adjust access to debug_type_names. * c-pch.c (struct c_pch_validity): Use type uint32_t. (pch_init): Renamed member. (c_common_valid_pch): Adjust access to debug_type_names. 2021-05-19 Martin Sebor PR c/100619 * c-attribs.c (build_attr_access_from_parms): Handle arbitrarily many bounds. 2021-05-18 Richard Biener PR c/100547 * c-attribs.c (type_valid_for_vector_size): Reject too large nunits. Reword existing nunit diagnostic. 2021-05-17 Joern Rennecke * c-common.c (braced_list_to_string): Return CTOR unchanged if host and target character sizes don't match. 2021-05-14 Martin Liska * c.opt: Add Warning keyword for 2 options. 2021-05-13 Martin Liska PR middle-end/100504 * c-attribs.c (handle_target_clones_attribute): Expect a string argument to target_clone argument. 2021-05-11 Joseph Myers * c-lex.c (interpret_float): Handle digit separators for C2X. 2021-05-10 Martin Liska * c-ada-spec.c (print_destructor): Use startswith function instead of strncmp. (dump_ada_declaration): Likewise. * c-common.c (disable_builtin_function): Likewise. (def_builtin_1): Likewise. * c-format.c (check_tokens): Likewise. (check_plain): Likewise. (convert_format_name_to_system_name): Likewise. 2021-04-28 Patrick McGehearty * c-cppbuiltin.c (c_cpp_builtins): Add supporting macros for new complex divide 2021-04-26 Thomas Schwinge Nathan Sidwell Tom de Vries Julian Brown Kwok Cheung Yeung * c.opt (Wopenacc-parallelism): New. 2021-04-19 Thomas Schwinge * c.opt (fopenacc-kernels=): Remove. 2021-04-08 Jakub Jelinek * c-warn.c (do_warn_double_promotion): Fix comment typo, occured -> occurred. (check_alignment_of_packed_member): Fix a comment typo, memeber -> member. (warn_parm_ptrarray_mismatch): Fix comment typos, os -> of and onless -> unless. (warn_parm_array_mismatch): Fix comment typos, declaratation -> declaration and woud -> would. Fix up comment indentation. 2021-04-08 Martin Sebor PR middle-end/99883 * c.opt (Wmismatched-new-delete): Correct spelling. 2021-04-05 Eric Botcazou * c-ada-spec.c (is_simple_enum): Minor tweaks. (dump_ada_enum_type): Add TYPE and PARENT parameters. For non-simple enumeral types use again the type name for the enumeration constants. (dump_ada_node): Adjust call to dump_ada_enum_type. (dump_nested_type): Likewise. 2021-04-01 Jason Merrill PR c++/98481 * c-opts.c (c_common_post_options): Bump latest_abi_version. 2021-03-25 Jakub Jelinek PR c++/99565 * c-warn.c (do_warn_duplicated_branches): Pass also OEP_ADDRESS_OF_SAME_FIELD to operand_equal_p. 2021-03-20 Jakub Jelinek PR debug/99230 * c-gimplify.c (c_genericize_control_stmt): Handle STATEMENT_LIST. 2021-03-05 Eric Botcazou * c-ada-spec.c (dump_ada_declaration) : Dump nested types after entering the separate class package, if any. 2021-03-04 Richard Biener * c-pretty-print.c (c_pretty_printer::direct_abstract_declarator): Handle ERROR_MARK. 2021-03-04 Jakub Jelinek PR c/99325 * c-ppoutput.c (print): Change src_line type from int to unsigned. (token_streamer::stream) Likewise. (maybe_print_line_1): Likewise. Don't strcmp src_file if src_loc is UNKNOWN_LOCATION. 2021-03-03 Jakub Jelinek PR c/99324 * c-common.c (build_va_arg): Call c_common_mark_addressable_vec instead of mark_addressable. Fix a comment typo - neutrallly -> neutrally. 2021-02-28 Jakub Jelinek PR c/99304 * c-attribs.c (handle_malloc_attribute): Fix a typo in inform message - refernced -> referenced. Remove superfluous space before closing paren of function calls. 2021-02-25 Nathan Sidwell PR c++/99166 * c.opt (-flang-info-module-cmi): Renamed option. 2021-02-19 Nathan Sidwell * c.opt (flang-info-module-read, flang-info-module-read=): New. 2021-02-18 H.J. Lu PR target/99113 * c-attribs.c (c_common_attribute_table): Add the "retain" attribute. (handle_retain_attribute): New function. 2021-02-16 Marek Polacek PR c++/99062 * c-attribs.c (handle_assume_aligned_attribute): Check that the alignment argument is non-negative. Tweak a warning message. 2021-02-12 Martin Sebor PR c/99055 * c-warn.c (warn_parm_array_mismatch): Free strings returned from print_generic_expr_to_str. 2021-02-10 Richard Biener * c-common.c (parse_optimize_options): Free decoded_options. 2021-02-04 emsr <3dw4rd@verizon.net> * c-cppbuiltin.c (c_cpp_builtins): __cpp_size_t_suffix=202011L. 2021-02-03 Ed Smith-Rowland <3dw4rd@verizon.net> * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_size_t_suffix. * c-lex.c (interpret_integer): Set node type for size literal. 2021-01-28 Jakub Jelinek * c.opt (-std=c++2a, -std=c++20, -std=gnu++2a, -std=gnu++20): Remove draft from description. (-std=c++2b): Fix a pasto, 2020 -> 2023. 2021-01-26 Paul Fee * c-common.h (cxx_dialect): Add cxx23 as a dialect. * c.opt: Add options for -std=c++23, std=c++2b, -std=gnu++23 and -std=gnu++2b * c-opts.c (set_std_cxx23): New. (c_common_handle_option): Set options when -std=c++23 is enabled. (c_common_post_options): Adjust comments. (set_std_cxx20): Likewise. 2021-01-25 Martin Sebor PR c++/98646 * c-common.c (check_nonnull_arg): Adjust warning text. 2021-01-17 Martin Sebor * c-pretty-print.c (c_pretty_printer::primary_expression): Don't assume SSA_NAME_IDENTIFIER evaluates to nonzero. 2021-01-16 Kwok Cheung Yeung * c-pragma.h (pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_DETACH. Redefine PRAGMA_OACC_CLAUSE_DETACH. 2021-01-15 Jakub Jelinek PR tree-optimization/98597 * c-pretty-print.c: Include options.h. (c_fold_indirect_ref_for_warn): New function. (print_mem_ref): Use it. If it returns something that has compatible type and is TBAA compatible with zero offset, print it and return, otherwise print it using offsetof syntax or array ref syntax. Fix up printing if MEM_REFs first operand is ADDR_EXPR, or when the first argument has pointer to array type. Print pointers using the standard formatting. 2021-01-12 Martin Sebor PR c/98597 PR c/98592 * c-pretty-print.c (print_mem_ref): Avoid assuming MEM_REF operand has pointer type. Remove redundant code. Avoid calling gimple_canonical_types_compatible_p. 2021-01-07 Martin Sebor PR middle-end/98578 * c-pretty-print.c (print_mem_ref): Strip array from access type. Avoid assuming acces type's size is constant. Correct condition guarding the printing of a parenthesis. 2021-01-06 Martin Sebor PR c++/95768 * c-pretty-print.c (c_pretty_printer::primary_expression): For SSA_NAMEs print VLA names and GIMPLE defining statements. (print_mem_ref): New function. (c_pretty_printer::unary_expression): Call it. 2021-01-06 Richard Biener PR tree-optimization/95582 * c-attribs.c (c_common_attribute_table): Add entry for signed_bool_precision. (handle_signed_bool_precision_attribute): New. 2020-12-24 Iain Sandoe * c.opt: Add -stdlib= option and enumerations for libstdc++ and libc++. 2020-12-16 Martin Liska * c.opt: Remove usage of Report. 2020-12-14 Martin Sebor PR middle-end/98166 PR c++/57111 PR middle-end/98160 * c-attribs.c (maybe_add_noinline): New function. (handle_malloc_attribute): Call it. Use ATTR_FLAG_INTERNAL. Implicitly add attribute noinline to functions not declared inline and warn on those. 2020-12-09 Tobias Burnus * c-pragma.c (omp_pragmas): Add 'allocate'. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ALLOCATE. 2020-12-08 Jakub Jelinek PR c++/98187 * c-pragma.c (omp_pragmas): Remove "master". (omp_pragmas_simd): Add "master". 2020-12-07 Marek Polacek PR c++/98126 * c-common.c (verify_tree_lim_r): New function. (verify_sequence_points): Use it. Use nullptr instead of 0. 2020-12-03 Martin Sebor PR c++/90629 PR middle-end/94527 * c-attribs.c (handle_dealloc_attribute): New function. (handle_malloc_attribute): Handle argument forms of attribute. * c.opt (-Wmismatched-dealloc): New option. (-Wmismatched-new-delete): New option. 2020-12-03 Jakub Jelinek PR libstdc++/93121 * c-common.h (enum rid): Add RID_BUILTIN_BIT_CAST. * c-common.c (c_common_reswords): Add __builtin_bit_cast. 2020-12-01 JeanHeyd Meneide * c-cppbuiltin.c (c_cpp_builtins): Add predefined {__GNUC_EXECUTION_CHARSET_NAME} and _WIDE_EXECUTION_CHARSET_NAME} macros. 2020-12-01 Nathan Sidwell * c-common.c (module, import, export): New internal tokens (with trailing space). * c-common.h (RID__MODULE, RID__IMPORT & RID__EXPORT): Enumerate them. (D_CXX_MODULES, D_CXX_MODULES_FLAGS): Enable them. * c-cppbuiltin.c (c_cpp_builtins): Feature macro. 2020-12-01 Nathan Sidwell * c-opts.c (c_common_init_options): Ask for module dependencies. (c_common_handle_option): Handle -Mmodules -Mno-modules. * c-pch.c (c_common_valid_pch): ... does not play with C++ modules. * c.opt (Mmodules, Mno-modules): New preprocessor dependency options. (fmodules-ts, fmodule-header, fmodule-implicit-inline) (fmodule-only, fmodule-mapper, fmodule-lazy) (fmodule-version-ignore, Winvalid-imported-macros) (flang-info-include-translate, flang-info-include-translate-not): New options 2020-11-28 Eric Botcazou * c-ada-spec.c (dump_nested_type) : Remove obsolete code. (dump_ada_structure): Also deal with convention, unchecked union and bit-field for nested types. In the latter case, print an Alignment aspect along with the Pack aspect. 2020-11-25 Martin Sebor PR bootstrap/94982 * c-attribs.c (handle_patchable_function_entry_attribute): Avoid -Wformat-diag. 2020-11-24 Martin Sebor * c-warn.c (warn_parm_array_mismatch): Avoid invalid redeclarations. 2020-11-23 Jozef Lawrynowicz * c-attribs.c (handle_special_var_sec_attribute): New. (handle_noinit_attribute): Remove. (attr_noinit_exclusions): Rename to... (attr_section_exclusions): ...this, and add "persistent" attribute exclusion. (c_common_attribute_table): Add "persistent" attribute. 2020-11-21 Aaron Sawdey * c-pretty-print.c (c_pretty_printer::simple_type_specifier): Treat opaque types like other types. (c_pretty_printer::direct_abstract_declarator): Opaque types are supported types. 2020-11-20 Martin Sebor * c-warn.c (warn_parm_array_mismatch): Bail on invalid redeclarations with fewer arguments. 2020-11-20 Martin Sebor PR middle-end/97879 * c-attribs.c (handle_access_attribute): Handle ATTR_FLAG_INTERNAL. Error out on invalid modes. 2020-11-20 Jakub Jelinek PR libstdc++/88101 * c-common.c (check_builtin_function_arguments): Handle BUILT_IN_CLEAR_PADDING. 2020-11-18 Nathan Sidwell * c-lex.c (c_lex_with_flags): CPP_HEADER_NAMEs can now be seen. 2020-11-17 Nathan Sidwell * c-common.h (enum c_tree_index): Reorder to place lazy fields after newly-added CTI_MODULE_HWM. 2020-11-17 Joseph Myers * c-cppbuiltin.c (builtin_define_float_constants): Define "*_IS_IEC_60559__" macros. 2020-11-17 Nathan Sidwell * c-lex.c: #include "langhooks.h". (cb_undef): Maybe call preprocess_undef lang hook. * c-opts.c (c_common_post_options): Maybe call preprocess_options lang hook. (push_command_line_include): Maybe call preprocess_main_file lang hook. (cb_file_change): Likewise. * c-ppoutput.c: #include "langhooks.h. (scan_translation_unit): Maybe call preprocess_token lang hook. (class do_streamer): New, derive from token_streamer. (directives_only_cb): Data pointer is do_streamer, call preprocess_token lang hook. (scan_translation_unit_directives_only): Use do_streamer. (print_line_1): Move src_line recording to after string output. (cb_undef): Maybe call preprocess_undef lang hook. 2020-11-17 Nathan Sidwell * c-ppoutput.c (scan_translation_unit): Use token_streamer, remove code duplicating that functionality. 2020-11-17 Jakub Jelinek PR c/90628 * c-common.c (check_builtin_function_arguments) : Diagnose when last argument is pointer to _Atomic. For the TYPE_READONLY case, adjust message to be usable for more builtins and argument positions. 2020-11-16 Iain Sandoe PR objc/97854 * stub-objc.c: Include c-common.h to declare enum rid. 2020-11-13 Jakub Jelinek PR c++/63287 * c-cppbuiltin.c: Include configargs.h. (c_cpp_builtins): For C++11 and later if THREAD_MODEL_SPEC is not defined, predefine __STDCPP_THREADS__ to 1 unless thread_model is "single". 2020-11-13 Gergö Barany Thomas Schwinge * c.opt (fopenacc-kernels): Add. 2020-11-13 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_using_enum. 2020-11-13 Piotr H. Dabrowski PR c++/91318 * c-cppbuiltin.c: c_cpp_builtins_optimize_pragma(): use cpp_define_unused() 2020-11-13 Martin Liska * c-attribs.c (build_attr_access_from_parms): Format properly. 2020-11-13 Iain Sandoe PR objc/90707 * c-common.c (c_common_reswords): null_unspecified, nullable, nonnull, null_resettable: New keywords. * c-common.h (enum rid): RID_NULL_UNSPECIFIED, RID_NULLABLE, RID_NONNULL, RID_NULL_RESETTABLE: New. (OBJC_IS_PATTR_KEYWORD): Include nullability keywords in the ranges accepted for property attributes. * c-attribs.c (handle_objc_nullability_attribute): New. * c-objc.h (enum objc_property_attribute_group): Add OBJC_PROPATTR_GROUP_NULLABLE. (enum objc_property_attribute_kind):Add OBJC_PROPERTY_ATTR_NULL_UNSPECIFIED, OBJC_PROPERTY_ATTR_NULLABLE, OBJC_PROPERTY_ATTR_NONNULL, OBJC_PROPERTY_ATTR_NULL_RESETTABLE. 2020-11-13 Iain Sandoe PR objc/77404 * c-attribs.c (handle_objc_root_class_attribute): New * c-objc.h (objc_start_class_interface): Add a location value for the position of the class name. * c.opt: Add Wobjc-root-class. * stub-objc.c (objc_start_class_interface): Add a location value for the position of the class name. 2020-11-12 Joseph Myers * c-lex.c (c_common_has_attribute): Take argument std_syntax. Allow scope for C. Handle standard attributes for C. Do not accept unscoped attributes if std_syntax and not handled as standard attributes. * c-common.h (c_common_has_attribute): Update prototype. 2020-11-12 Nicholas Guriev PR pch/86674 * c-pch.c (c_common_valid_pch): Use cpp_warning with CPP_W_INVALID_PCH reason to fix -Werror=invalid-pch and -Wno-error=invalid-pch switches. 2020-11-11 Patrick Palka PR c++/88115 * c-opts.c (c_common_post_options): Update latest_abi_version. 2020-11-10 Jakub Jelinek PR c/97748 * c-common.h (warn_if_unused_value): Add quiet argument defaulted to false. * c-warn.c (warn_if_unused_value): Likewise. Pass it down recursively and just return true instead of warning if it is true. Handle COMPLEX_EXPR. 2020-11-10 Chung-Lin Tang * c-common.h (c_omp_adjust_map_clauses): New declaration. * c-omp.c (struct map_clause): Helper type for c_omp_adjust_map_clauses. (c_omp_adjust_map_clauses): New function. 2020-11-09 Marek Polacek DR 1914 * c-common.c (attribute_fallthrough_p): Tweak the warning message. 2020-11-09 Patrick Palka * c-pragma.c (handle_pragma_diagnostic): Split the unknown-option -Wpragmas diagnostic into a warning and a subsequent note containing a spelling suggestion. Avoid computing the suggestion if -Wpragmas warnings are being suppressed. 2020-11-09 Patrick Palka PR testsuite/97117 * c-indentation.c (get_visual_column): Remove location_t parameter. Move the column-tracking diagnostic code from here to ... (should_warn_for_misleading_indentation): ... here, before the early exit for when the loci are not all distinct. Don't pass a location_t argument to get_visual_column. (assert_get_visual_column_succeeds): Don't pass a location_t argument to get_visual_column. (assert_get_visual_column_fails): Likewise. 2020-11-08 Iain Sandoe * c-common.h (OBJC_IS_PATTR_KEYWORD): Add class to the list of keywords accepted in @property attribute contexts. * c-objc.h (enum objc_property_attribute_group): Add OBJC_PROPATTR_GROUP_CLASS. (enum objc_property_attribute_kind): Add OBJC_PROPERTY_ATTR_CLASS. 2020-11-07 Iain Sandoe * c-common.c (c_common_reswords): Add 'atomic' property attribute. * c-common.h (enum rid): Add RID_PROPATOMIC for atomic property attributes. 2020-11-07 Iain Sandoe * c-attribs.c (handle_nsobject_attribute): New. * c.opt: Add WNSObject-attribute. 2020-11-06 Iain Sandoe * c-objc.h (enum objc_property_attribute_group): New (enum objc_property_attribute_kind): New. (OBJC_PROPATTR_GROUP_MASK): New. (struct property_attribute_info): Small class encapsulating parser output from property attributes. (objc_prop_attr_kind_for_rid): New (objc_add_property_declaration): Simplify interface. * stub-objc.c (enum rid): Dummy type. (objc_add_property_declaration): Simplify interface. (objc_prop_attr_kind_for_rid): New. 2020-11-06 Nathan Sidwell * c-ada-spec.c (collect_ada_nodes): Rename DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN. (collect_ada_node): Likewise. (dump_forward_type): Likewise. * c-common.c (set_underlying_type): Rename DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN. (user_facing_original_type, c_common_finalize_early_debug): Likewise. 2020-11-06 Jakub Jelinek * c-common.c (verify_sequence_points): Remove DEBUG_FUNCTION. 2020-11-05 Marek Polacek PR c++/97675 * c.opt (Wexceptions): New option. 2020-11-05 Marek Polacek PR c++/25814 * c.opt (Wvexing-parse): New option. 2020-11-04 Jakub Jelinek PR c++/97670 * c-omp.c (c_omp_split_clauses): Look through array reductions to find underlying decl to clear in the allocate_head bitmap. 2020-11-04 Iain Sandoe * c-objc.h (objc_non_constant_expr_p): New. * stub-objc.c (objc_non_constant_expr_p): New. 2020-11-03 Nathan Sidwell * c.opt (MQ,MT): Reword description to be make-agnostic. 2020-11-02 Nathan Sidwell * c-opts.c (c_common_post_options): Move var decl to its initialization point. 2020-11-01 Iain Sandoe * c-lex.c (c_lex_with_flags): When combining '@' with a keyword for Objective-C, combine the location ranges too. 2020-10-30 Qing Zhao H.J.Lu * c-attribs.c (c_common_attribute_table): Add new attribute zero_call_used_regs. (handle_zero_call_used_regs_attribute): New function. 2020-10-28 Marek Polacek PR c++/97573 * c-opts.c (c_common_post_options): In C++20, turn on -Wdeprecated-enum-enum-conversion and -Wdeprecated-enum-float-conversion. * c.opt (Wdeprecated-enum-enum-conversion, Wdeprecated-enum-float-conversion): New options. (Wenum-conversion): Allow for C++ too. 2020-10-28 Jakub Jelinek * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALLOCATE. * c-omp.c: Include bitmap.h. (c_omp_split_clauses): Handle OMP_CLAUSE_ALLOCATE. 2020-10-26 Ville Voutilainen * c-common.c (__is_nothrow_assignable): New. (__is_nothrow_constructible): Likewise. * c-common.h (RID_IS_NOTHROW_ASSIGNABLE): New. (RID_IS_NOTHROW_CONSTRUCTIBLE): Likewise. 2020-10-23 Jan Hubicka * c-common.c (c_common_finalize_early_debug): Update for new thunk api. 2020-10-23 Marek Polacek PR c++/91741 * c-common.c (verify_tree): Handle PAREN_SIZEOF_EXPR. (c_common_init_ts): Likewise. * c-common.def (PAREN_SIZEOF_EXPR): New tree code. * c-common.h (maybe_warn_sizeof_array_div): Declare. * c-warn.c (sizeof_pointer_memaccess_warning): Unwrap NOP_EXPRs. (maybe_warn_sizeof_array_div): New function. * c.opt (Wsizeof-array-div): New option. 2020-10-23 Martin Sebor PR c/97463 * c-warn.c (warn_parm_ptrarray_mismatch): Move null test earlier. 2020-10-22 Martin Liska PR c/94722 * c-attribs.c (handle_no_stack_protect_function_attribute): New. (handle_stack_protect_attribute): Add error message for a no_stack_protector function. 2020-10-22 Martin Liska * c-cppbuiltin.c (c_cpp_builtins): Use the stack_protector enum. 2020-10-22 Jan Hubicka * c-gimplify.c: Include tree-nested.h (c_genericize): Update for new nested function info. 2020-10-14 Martin Sebor PR c/97413 * c-attribs.c (build_attr_access_from_parms): Wrap chain of VLA bounds in an extra list. 2020-10-05 Richard Biener Jakub Jelinek PR c++/97197 * c-pretty-print.c: Include langhooks.h. (c_pretty_printer::postfix_expression): Handle TARGET_MEM_REF as expression. (c_pretty_printer::expression): Handle TARGET_MEM_REF as unary_expression. (c_pretty_printer::unary_expression): Handle TARGET_MEM_REF. 2020-09-30 Martin Sebor PR middle-end/97189 * c-attribs.c (append_access_attr): Use the function declaration location for a warning about an attribute access argument. 2020-09-29 Marek Polacek PR c++/94695 * c.opt (Wrange-loop-construct): New option. 2020-09-23 Martin Sebor PR c/97131 * c-warn.c (warn_parm_ptrarray_mismatch): Handle more invalid input. 2020-09-23 Marek Polacek PR c/97125 * c-gimplify.c (c_genericize): Only call do_warn_duplicated_branches_r after loops and other structured control constructs have been lowered. 2020-09-22 Jakub Jelinek * c.opt (Wbuiltin-declaration-mismatch): Fix typo in variable name: warn_builtin_declaraion_mismatch -> warn_builtin_declaration_mismatch. 2020-09-21 Marek Polacek * c.opt (Wctad-maybe-unsupported): New option. 2020-09-19 Martin Sebor PR c/50584 * c-common.h (warn_parm_array_mismatch): Declare new function. (has_attribute): Move declaration of an existing function. (build_attr_access_from_parms): Declare new function. * c-warn.c (parm_array_as_string): Define new function. (plus_one): Define new function. (warn_parm_ptrarray_mismatch): Define new function. (warn_parm_array_mismatch): Define new function. (vla_bound_parm_decl): New function. * c.opt (-Warray-parameter, -Wvla-parameter): New options. * c-pretty-print.c (pp_c_type_qualifier_list): Don't print array type qualifiers here... (c_pretty_printer::direct_abstract_declarator): ...but instead print them in brackets here. Also print [static]. Strip extraneous expressions from VLA bounds. 2020-09-19 Martin Sebor PR c/50584 * c-attribs.c (c_common_attribute_table): Add "arg spec" attribute. (handle_argspec_attribute): New function. (get_argument, get_argument_type): New functions. (append_access_attrs): Add overload. Handle internal attribute representation in addition to external. (handle_access_attribute): Handle internal attribute representation in addition to external. (build_attr_access_from_parms): New function. 2020-09-19 Sandra Loosemore * c-gimplify.c (genericize_c_loop): Rewrite to match c_finish_loop in c-typeck.c. 2020-09-19 Sandra Loosemore * c-common.c (c_block_may_fallthrough): New, split from cxx_block_may_fallthrough in the cp front end. (c_common_init_ts): Move handling of loop and switch-related statements here from the cp front end. * c-common.def (FOR_STMT, WHILE_STMT, DO_STMT): Move here from cp front end. (BREAK_STMT, CONTINUE_STMT, SWITCH_STMT): Likewise. * c-common.h (c_block_may_fallthru): Declare. (bc_state_t): Move here from cp front end. (save_bc_state, restore_bc_state): Declare. (c_genericize_control_stmt): Declare. (WHILE_COND, WHILE_BODY): Likewise. (DO_COND, DO_BODY): Likewise. (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY, FOR_SCOPE): Likewise. (SWITCH_STMT_COND, SWITCH_STMT_BODY): Likewise. (SWITCH_STMT_TYPE, SWITCH_STMT_SCOPE): Likewise. (SWITCH_STMT_ALL_CASES_P, SWITCH_STMT_NO_BREAK_P): Likewise. (LABEL_DECL_BREAK, LABEL_DECL_CONTINUE): Likewise. * c-dump.c (dump_stmt): Copy from cp front end. (c_dump_tree): Move code to handle structured loop and switch tree nodes here from cp front end. * c-gimplify.c: Adjust includes. (enum bc_t, bc_label, begin_bc_block, finish_bc_block): Move from cp front end. (save_bc_state, restore_bc_state): New functions using old code from cp front end. (get_bc_label, expr_loc_or_loc): Move from cp front end. (genericize_c_loop): Move from cp front end. (genericize_for_stmt, genericize_while_stmt): Likewise. (genericize_do_stmt, genericize_switch_stmt): Likewise. (genericize_continue_stmt, genericize_break_stmt): Likewise. (genericize_omp_for_stmt): Likewise. (c_genericize_control_stmt): New function using code split from cp front end. (c_genericize_control_r): New. (c_genericize): Call walk_tree with c_genericize_control_r. * c-pretty-print.c (c_pretty_printer::statement): Move code to handle structured loop and switch tree nodes here from cp front end. 2020-09-17 Patrick Palka PR c/80076 * c-indentation.c (should_warn_for_misleading_indentation): Move declarations of local variables closer to their first use. Handle virtual token locations by resolving them to their respective macro expansion points. If all three tokens are produced from the same macro expansion, then instead use their loci within the macro definition. 2020-09-16 Martin Sebor PR c/78666 PR c/96126 * c-attribs.c (validate_attr_args): New function. (validate_attr_arg): Same. (handle_section_attribute): Call it. Introduce a local variable. (handle_alloc_size_attribute): Same. (handle_alloc_align_attribute): Same. 2020-09-14 Jakub Jelinek * c-attribs.c (handle_optimize_attribute): Adjust cl_optimization_save, cl_optimization_restore and build_optimization_node callers. * c-pragma.c (handle_pragma_optimize): Adjust build_optimization_node caller. (handle_pragma_push_options): Adjust build_optimization_node and build_target_option_node callers. (handle_pragma_pop_options, handle_pragma_reset_options): Adjust cl_optimization_restore callers. 2020-08-28 Martin Sebor * c.opt (Wstringop-overread): New option. 2020-08-11 Jakub Jelinek PR c/96545 * c-common.c (get_atomic_generic_size): Require that first argument's type points to a complete type and use tree_fits_uhwi_p instead of just INTEGER_CST TREE_CODE check for the TYPE_SIZE_UNIT. 2020-07-31 Martin Sebor PR c++/96003 * c-common.c (check_function_arguments_recurse): Return early when no-warning bit is set. 2020-07-31 Richard Biener PR debug/96383 * c-common.h (c_common_finalize_early_debug): Declare. * c-common.c: Include debug.h. (c_common_finalize_early_debug): finalize_early_debug langhook implementation generating debug for extern declarations. 2020-07-27 Nathan Sidwell * c-common.c (try_to_locate_new_include_insertion_point): Use strcmp, not pointer equality. 2020-07-25 Martin Sebor PR c++/96310 * c-common.c (check_nonnull_arg): Print note only when warning was issued. 2020-07-22 Tobias Burnus * c-omp.c (c_finish_omp_critical): Check for no name but nonzero hint provided. 2020-07-20 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_nontype_template_args for C++20. 2020-07-20 Martin Sebor PR c/96249 * c.opt: Remove stray text. 2020-07-14 Lewis Hyatt PR other/86904 * c-indentation.c (should_warn_for_misleading_indentation): Get global tabstop from the new source. * c-opts.c (c_common_handle_option): Remove handling of -ftabstop, which is now a common option. * c.opt: Likewise. 2020-07-08 Eric Botcazou * c.opt (Wscalar-storage-order): Add explicit variable. 2020-07-07 Nathan Sidwell * c-opts.c (c_common_post_options): Add 'injecting' arg to cpp_read_main_file. (c_finish_options): Add linemap_line_start calls for builtin and cmd maps. Force token position to line_table's highest line. * c-ppoutput.c (print_line_1): Refactor, print line zero. (cb_define): Always increment source line. 2020-07-06 Martin Sebor PR c++/95984 * c-common.c (check_function_nonnull): Avoid checking syntesized calls to stub lambda objects with null this pointer. (check_nonnull_arg): Handle C++ nullptr. 2020-07-02 Jason Merrill Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_consteval. 2020-06-30 Jakub Jelinek PR c++/95963 * c-common.c (check_function_arguments_recurse): Don't crash on calls to internal functions. 2020-06-28 Martin Sebor PR c++/86568 * c-common.c (struct nonnull_arg_ctx): Add members. (check_function_nonnull): Use nonnull_arg_ctx as argument. Handle C++ member functions specially. Consider the this pointer implicitly nonnull. (check_nonnull_arg): Use location of argument when available. (check_function_arguments): Use nonnull_arg_ctx as argument. 2020-06-27 Jakub Jelinek PR middle-end/95903 * c-common.c (pointer_int_sum): Use TYPE_OVERFLOW_UNDEFINED instead of !TYPE_UNSIGNED check to see if we can apply distributive law and handle smaller precision intop operands separately. 2020-06-26 Marek Polacek * c-opts.c (c_common_init_options): Default to gnu++17. 2020-06-17 Jonathan Wakely PR c/95378 * c-common.c (get_atomic_generic_size): Check cv-qualifiers in pointer arguments. 2020-06-16 Jakub Jelinek * c-common.h (c_omp_check_loop_iv_exprs): Add an int argument. * c-omp.c (struct c_omp_check_loop_iv_data): Add maybe_nonrect and idx members. (c_omp_is_loop_iterator): New function. (c_omp_check_loop_iv_r): Use it. Add support for silent scanning if outer loop iterator is present. Perform duplicate checking through hash_set in the function rather than expecting caller to do that. Pass NULL instead of d->ppset to walk_tree_1. (c_omp_check_nonrect_loop_iv): New function. (c_omp_check_loop_iv): Use it. Fill in new members, allow non-rectangular loop forms, diagnose multiple associated loops with the same iterator. Pass NULL instead of &pset to walk_tree_1. (c_omp_check_loop_iv_exprs): Likewise. 2020-06-10 Martin Liska PR tree-optimization/92860 * c-attribs.c (handle_optimize_attribute): Save global options and compare it after parsing of function attribute. * c-pragma.c (opt_stack::saved_global_options): New field. (handle_pragma_push_options): Save global_options. (handle_pragma_pop_options): Compare them after pop. 2020-06-09 Jakub Jelinek PR c/95580 * c-pretty-print.c (c_pretty_printer::unary_expression): Handle the case when MEM_REF's first argument has type pointer to incomplete type. 2020-06-05 Jason Merrill * c-pretty-print.c (pp_c_additive_expression): Handle negative operand to POINTER_PLUS_EXPR. 2020-06-04 Martin Sebor PR middle-end/10138 PR middle-end/95136 * c-attribs.c (append_access_attrs): Handle attr_access::none. (handle_access_attribute): Same. 2020-06-03 Mark Wielaard * known-headers.cc (get_cp_stdlib_header_for_string_macro_name): New function. * known-headers.h (get_cp_stdlib_header_for_string_macro_name): New function declaration. 2020-06-03 Mark Wielaard * known-headers.cc (get_string_macro_hint): New function. (get_stdlib_header_for_name): Use get_string_macro_hint. (get_c_stdlib_header_for_string_macro_name): New function. * known-headers.h (get_c_stdlib_header_for_string_macro_name): New function declaration. 2020-06-03 Tobias Burnus * c-common.h (c_omp_predetermined_mapping): Declare. * c-omp.c (c_omp_predetermined_mapping): New. 2020-05-22 Mark Wielaard * known-headers.cc (get_stdlib_header_for_name): Add a new stdlib_hint array for stdbool and stdint. 2020-05-22 Mark Wielaard * known-headers.cc (get_stdlib_header_for_name): Return "" for "bool", "true" or "false" when STDLIB_C and flag_isoc99. 2020-05-20 Nathan Sidwell * c-common.c (try_to_locate_new_include_insertion_point): Revert change. * c-common.c (try_to_locate_new_include_insertion_point): Use strcmp to compare filenames. * c-lex.c (init_c_lex): Move declaration to initialization. * c-opts.c (handle_deferred_opts): Move cpp_get_deps call into deferred count loop. 2020-05-15 Jason Merrill * c-opts.c (set_std_cxx20): Set flag_coroutines. 2020-05-13 Jason Merrill * c.opt (std=c++20): Make c++2a the alias. (std=gnu++20): Likewise. * c-common.h (cxx_dialect): Change cxx2a to cxx20. * c-opts.c: Adjust. * c-cppbuiltin.c: Adjust. * c-ubsan.c: Adjust. * c-warn.c: Adjust. 2020-05-12 Eric Botcazou * c-ada-spec.c (dump_ads): Output pragma Warnings ("U"); on entry. 2020-05-08 Nathan Sidwell Reimplement directives only processing. * c-ppoutput.c (token_streamer): Ne. (directives_only_cb): New. Swallow ... (print_lines_directives_only): ... this. (scan_translation_unit_directives_only): Reimplment using the published interface. 2020-05-07 Marek Polacek * c-format.c (badwords): Add "nonstatic". 202-05-07 Jakub Jelinek PR c/94968 * c-common.c (speculation_safe_value_resolve_params): Return false if error_operand_p (val2). (resolve_overloaded_builtin) : Remove extraneous semicolon. 2020-05-06 qing zhao PR c/94230 * c-indentation.c (get_visual_column): Add a hint to use the new -flarge-source-files option. 2020-05-05 Stefan Schulze Frielinghaus * c-attribs.c (handle_vector_size_attribute): Add attribute nonnull for argument args in order to silence warning of uninitialized variable usage. Since this is local to the compilation unit and thus cannot be checked at call sides by the compiler, added an assert statement in order to verify this. 2020-05-01 H.J. Lu PR target/93492 * c-attribs.c (handle_patchable_function_entry_attribute): Limit value to USHRT_MAX (65535). 2020-04-29 Jakub Jelinek * c-format.c (PP_FORMAT_CHAR_TABLE): Add %{ and %}. 2020-04-27 Jakub Jelinek PR c/94755 * c-common.c (resolve_overloaded_builtin): Return error_mark_node for fncode == BUILT_IN_NONE before initialization of first_param. 2020-04-23 Marek Polacek PR c++/94733 * c-attribs.c (find_tm_attribute): Use get_attribute_name instead of TREE_PURPOSE. 2020-04-14 Patrick Palka PR c++/85278 * c-pretty-print.c (pp_c_pointer) : Print a double ampersand if it's an rvalue reference type. 2020-04-13 Martin Sebor PR c/92326 * c-pretty-print.c (c_pretty_printer::direct_abstract_declarator): Avoid printing array bound for flexible array members. 2020-04-13 Iain Sandoe * c-cppbuiltin.c (c_cpp_builtins): Update coroutines builtin define, per n4861. 2020-04-02 Richard Biener PR c/94392 * c-opts.c (c_common_post_options): Enable -ffinite-loops for -O2 and C++11 or newer. 2020-03-28 Patrick Palka * c.opt: Add -fconcepts-diagnostics-depth. 2020-03-27 Martin Sebor PR c++/94346 * c-attribs.c (handle_copy_attribute): Avoid passing expressions to decl_attributes. Make handling of different kinds of entities more robust. 2020-03-27 Martin Sebor PR c++/94098 * c-attribs.c (handle_access_attribute): Avoid setting TYPE_ATTRIBUTES here. 2020-03-23 Jakub Jelinek PR c++/91993 * c-warn.c (warnings_for_convert_and_check): For expr and/or result being COMPOUND_EXPRs, skip to ultimate rhs. 2020-03-20 Richard Sandiford PR middle-end/94072 * c-common.c (c_common_type_for_mode): Before using a registered built-in type, check that the vectorness of the type matches the vectorness of the mode. 2020-03-17 Jakub Jelinek * c-common.c (resolve_overloaded_builtin): Fix up duplicated word issue in a diagnostic message. 2020-03-15 Lewis Hyatt * c.opt: Avoid redundancy in the help text. 2020-03-02 Marek Polacek PR c++/93958 - add missing -std=gnu++20. * c.opt: Add -std=gnu++20. 2020-03-01 Martin Sebor PR c++/92721 * c-attribs.c (append_access_attrs): Correctly handle attribute. (handle_access_attribute): Same. 2020-02-25 Jakub Jelinek PR c/93858 * c-pragma.c (handle_pragma_diagnostic): Add missing ? after "did you mean" hint in diagnostics. 2020-02-15 Jason Merrill * c.opt: Add -std=c++20. 2020-02-14 Eric Botcazou * c-ada-spec.c: Include bitmap.h. (dump_ada_double_name): Rename into... (dump_anonymous_type_name): ...this. Always use the TYPE_UID. (dump_ada_array_type): Adjust to above renaming. Robustify. (dump_nested_types_1): New function copied from... Add dumped_types parameter and pass it down to dump_nested_type. (dump_nested_types): ...this. Remove parent parameter. Just call dump_nested_types_1 on an automatic bitmap. (dump_nested_type): Add dumped_types parameter. : Do not dump it if already present in dumped_types. Adjust recursive calls and adjust to above renaming. (dump_ada_declaration): Adjust call to dump_nested_types. Tidy up and adjust to above renaming. (dump_ada_specs): Initialize and release bitmap obstack. 2020-02-10 Martin Sebor PR c/93640 * c-attribs.c (handle_access_attribute): Correct off-by-one mistakes. 2020-02-10 Jakub Jelinek PR other/93641 * c-format.c (check_plain): Fix up last argument of strncasecmp. Remove useless extra test. 2020-02-03 Julian Brown Tobias Burnus * c-cppbuiltin.c (c_cpp_builtins): Update _OPENACC define to 201711. 2020-01-29 Jason Merrill PR c++/89357 * c-attribs.c (check_cxx_fundamental_alignment_constraints): Remove. 2020-01-23 Jason Merrill * c-warn.c (conversion_warning): Change -Wsign-conversion handling. 2020-01-23 Martin Sebor PR c/84919 * c-common.c (check_function_arguments): Avoid overlap checking of sprintf functions. 2020-01-22 Jason Merrill PR testsuite/93391 - PR 40752 test fails with unsigned plain char. PR c++/40752 * c-warn.c (conversion_warning): Check operands only after checking the whole expression. Don't check second operand of + for sign. 2020-01-21 Jason Merrill Manuel López-Ibáñez PR c++/40752 - useless -Wconversion with short +=. * c.opt (-Warith-conversion): New. * c-warn.c (conversion_warning): Recurse for operands of operators. Only warn about the whole expression with -Warith-conversion. 2020-01-21 Jason Merrill * c-common.c (unsafe_conversion_p): Don't warn, return UNSAFE_SIGN. * c-warn.c (conversion_warning): Warn about UNSAFE_SIGN. 2020-01-20 Nathan Sidwell PR preprocessor/80005 * c-cppbuiltins.c (c_cpp_builtins): Don't define __has_include{,_next}. 2020-01-18 Iain Sandoe * c-common.c (co_await, co_yield, co_return): New. * c-common.h (RID_CO_AWAIT, RID_CO_YIELD, RID_CO_RETURN): New enumeration values. (D_CXX_COROUTINES): Bit to identify coroutines are active. (D_CXX_COROUTINES_FLAGS): Guard for coroutine keywords. * c-cppbuiltin.c (__cpp_coroutines): New cpp define. * c.opt (fcoroutines): New command-line switch. 2020-01-10 David Malcolm * c-format.c (local_event_ptr_node): New. (PP_FORMAT_CHAR_TABLE): Add entry for "%@". (init_dynamic_diag_info): Initialize local_event_ptr_node. * c-format.h (T_EVENT_PTR): New define. 2020-01-10 Martin Sebor PR c/93132 * c-attribs.c (append_access_attrs): Validate against the translated access string rather than the human-readable representation. 2020-01-01 Jakub Jelinek Update copyright years. 2019-12-20 Eric Botcazou * c-ada-spec.h (decl_sloc): Delete. * c-ada-spec.c (decl_sloc): Make static. 2019-12-19 Julian Brown * c-common.h (c_omp_map_clause_name): Add prototype. * c-omp.c (c_omp_map_clause_name): New function. * c-pragma.h (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ATTACH and PRAGMA_OACC_CLAUSE_DETACH. 2019-12-19 Julian Brown Maciej W. Rozycki Tobias Burnus Thomas Schwinge * c-pragma.h (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_NO_CREATE. 2019-12-17 Martin Sebor PR c++/61339 * c.opt (-Wmismatched-tags, -Wredundant-tags): New options. 2019-12-11 David Malcolm * c-pretty-print.c (c_pretty_printer::clone): New vfunc implementation. * c-pretty-print.h (c_pretty_printer::clone): New vfunc decl. 2019-12-09 David Malcolm * c-format.c (range_label_for_format_type_mismatch::get_text): Replace label_text ctor called with true with label_text::take. 2019-12-09 David Malcolm * c-format.c (selftest::test_type_mismatch_range_labels): Remove initial newline from expected outputs. * c-opts.c (c_diagnostic_finalizer): Add pp_newline call before call to diagnostic_show_locus. 2019-12-06 Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtins): Don't define __cpp_consteval for now. 2019-12-05 Marek Polacek Jakub Jelinek PR c++/91353 - P1331R2: Allow trivial default init in constexpr contexts. * c-cppbuiltin.c (c_cpp_builtins): Adjust the value of __cpp_constexpr. 2019-12-05 Marek Polacek PR c++/92271 - make __is_same alias for __is_same_as. * c-common.c: Add __is_same, an alias for __is_same_as. 2019-12-03 Marek Polacek PR c++/91363 - P0960R3: Parenthesized initialization of aggregates. * c-cppbuiltin.c (c_cpp_builtins): Predefine __cpp_aggregate_paren_init=201902 for -std=c++2a. 2019-11-30 Jan Hubicka * c-attribs.c (handle_symver_attribute): New function (c_common_attributes): Add symver. 2019-11-30 Richard Sandiford * c-common.c (pointer_int_sum): Use verify_type_context to check whether the target allows pointer arithmetic for the types involved. (c_sizeof_or_alignof_type, c_alignof_expr): Use verify_type_context to check whether the target allows sizeof and alignof operations for the types involved. 2019-11-27 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides. 2019-11-26 Jakub Jelinek PR c++/61414 * c-attribs.c (handle_mode_attribute): Add mode attribute to ENUMERAL_TYPEs. 2019-11-25 Joseph Myers PR c/91985 * c-common.c (c_common_type_for_mode): Handle decimal floating-point types being NULL_TREE. * c-format.c (get_format_for_type_1): Handle specified types being NULL_TREE. * c-lex.c (interpret_float): Give an error for decimal floating-point constants when decimal floating-point not supported. 2019-11-23 Jakub Jelinek PR middle-end/83859 * c-attribs.c (append_access_attrs): Avoid buffer overflow. Avoid memory leak. Use XNEWVEC macro. Use auto_diagnostic_group to group warning with inform together. (handle_access_attribute): Formatting fix. 2019-11-22 Jakub Jelinek PR c/90677 * c-common.h (identifier_global_tag): Declare. * c-format.c (get_pointer_to_named_type): Renamed to ... (get_named_type): ... this. Use identifier_global_tag instead of identifier_global_value, handle the return value being a TYPE_P. (init_dynamic_diag_info): Adjust get_pointer_to_named_type callers to call get_named_type instead. Formatting fixes. Implement P1902R1, Missing feature-test macros 2017-2019. * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_init_captures and __cpp_generic_lambdas for -std=c++2a. Define __cpp_designated_initializers, __cpp_constexpr_in_decltype and __cpp_consteval for -std=c++2a. Remove a FIXME comment about __cpp_concepts for -std=c++2a. 2019-11-22 Martin Sebor PR middle-end/83859 * c-attribs.c (handle_access_attribute): New function. (c_common_attribute_table): Add new attribute. (get_argument_type): New function. (append_access_attrs): New function. (get_nonnull_operand): Rename... (get_attribute_operand): ...to this. * c-common.c (get_nonnull_operand): Rename... (get_attribute_operand): ...to this. 2019-11-21 Joseph Myers * c-attribs.c (handle_fallthrough_attribute): Use pedwarn instead of warning. 2019-11-19 Joseph Myers * c-common.c (attribute_fallthrough_p): In C, use pedwarn not warning for standard attributes mixed with fallthrough attributes. 2019-11-15 Joseph Myers * c-attribs.c (handle_fallthrough_attribute): Remove static. * c-common.h (handle_fallthrough_attribute): Declare. 2019-11-15 Joseph Myers * c-attribs.c (handle_deprecated_attribute): Remove static. * c-common.h (handle_deprecated_attribute): Declare. 2019-11-14 Joseph Myers * c-lex.c (lex_charconst): Make CPP_UTF8CHAR constants unsigned char for C. 2019-11-14 Jakub Jelinek * c-omp.c (c_omp_check_context_selector): Add nvidia to the list of valid vendors. * c-omp.c (c_omp_check_context_selector): Handle name lists containing string literals. Don't diagnose atomic_default_mem_order with multiple props. 2019-11-13 Joseph Myers * c-cppbuiltin.c (builtin_define_float_constants): Also define NORM_MAX constants. Update call to get_max_float. (LAZY_HEX_FP_VALUES_CNT): Update value to include NORM_MAX constants. 2019-11-13 Eric Botcazou * c-ada-spec.c (get_underlying_decl): Do not look through typedefs. (dump_forward_type): Do not generate a declaration for function types. (dump_nested_type) : Do not generate a nested declaration of the component type if it is declared in another file. 2019-11-12 Martin Liska * c-opts.c (c_common_post_options): Use SET_OPTION_IF_UNSET. 2019-11-12 Maciej W. Rozycki Frederik Harwath gcc/c-family/ * c-pragma.h (pragma_kind): Add PRAGMA_OACC_SERIAL enumeration constant. * c-pragma.c (oacc_pragmas): Add "serial" entry. 2019-11-08 Richard Sandiford * c-common.h (gnu_vector_type_p): New function. * c-common.c (c_build_vec_perm_expr): Require __builtin_shuffle vectors to satisfy gnu_vector_type_p. (c_build_vec_convert): Likewise __builtin_convertvector. (convert_vector_to_array_for_subscript): Likewise when applying implicit vector to array conversion. (scalar_to_vector): Likewise when converting vector-scalar operations to vector-vector operations. 2019-11-08 Joseph Myers * c.opt (Wold-style-definition): Initialize to -1. * c-opts.c (c_common_post_options): Set warn_old_style_definition to flag_isoc2x if not set explicitly. 2019-11-07 Joseph Myers * c-attribs.c (parse_tm_stmt_attr): Handle scoped attributes. 2019-11-05 Jason Merrill * c-opts.c (c_common_post_options): -fconcepts-ts implies -fconcepts. 2019-11-04 Kamlesh Kumar * c-opts.c (c_common_post_options): Update latest_abi_version. 2019-11-02 Jakub Jelinek * c-common.h (c_omp_get_context_selector): Remove. * c-omp.c (c_omp_get_context_selector): Moved to omp-general.c and renamed to omp_get_context_selector. * c-omp.c (c_omp_mark_declare_variant): Use omp_context_selector_set_compare. PR c++/88335 - Implement P1073R3: Immediate functions * c-common.h (enum rid): Add RID_CONSTEVAL. * c-common.c (c_common_reswords): Add consteval. 2019-11-01 Martin Sebor PR middle-end/91679 PR middle-end/91647 PR middle-end/91463 PR middle-end/92312 * c-pretty-print.c (direct_abstract_declarator): Print bound in zero-length arrays. * c.opt (-Wzero-length-bounds): New option. 2019-10-30 Nathan Sidwell * c-cppbuiltin.c (c_cpp_builtins): Add 'L' suffix to feature macros. 2019-10-28 Martin Sebor PR c/66970 * c-common.c (c_common_nodes_and_builtins): Call c_define_builtins even when only preprocessing. * c-common.h (names_builtin_p): Declare new function. * c-lex.c (init_c_lex): Set has_builtin. (c_common_has_builtin): Define a new function. * c-ppoutput.c (init_pp_output): Set has_builtin. 2019-10-24 Jakub Jelinek * c-common.h (c_omp_context_selector_matches): Remove. * c-omp.c (c_omp_context_selector_matches): Remove. * c-attribs.c (c_common_attribute_table): Add "omp declare target {host,nohost,block}" attributes. 2019-10-17 JeanHeyd Meneide * c-lex.c (c_common_has_attribute): Update nodiscard value. 2019-10-14 Richard Sandiford * c-common.h (user_facing_original_type_p): Declare. * c-common.c: Include c-spellcheck.h. (user_facing_original_type_p): New function. 2019-10-12 Jakub Jelinek * c-common.h (c_omp_mark_declare_variant, c_omp_context_selector_matches): Declare. * c-omp.c: Include attribs.h, gimplify.h, cgraph.h, symbol-summary.h and hsa-common.h. (c_omp_get_context_selector): Support second argument NULL. (c_omp_mark_declare_variant, c_omp_context_selector_matches): New functions. * c-attribs.c (c_common_attribute_table): Remove "omp declare variant" attribute, add "omp declare variant base" and "omp declare variant variant" attributes. 2019-10-11 Joseph Myers * c.opt (Wc11-c2x-compat): Add CPP(cpp_warn_c11_c2x_compat) CppReason(CPP_W_C11_C2X_COMPAT). 2019-10-11 Joseph Myers * c-common.c (c_common_reswords): Do not use D_EXT for _Decimal32, _Decimal64 and _Decimal128. 2019-10-10 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Do not define macros for DFP types if DFP not supported. 2019-10-10 Jakub Jelinek * c-common.h (c_omp_check_context_selector, c_omp_get_context_selector): Declare. * c-omp.c (c_omp_declare_simd_clauses_to_numbers): Fix spelling in diagnostic message. (c_omp_check_context_selector, c_omp_get_context_selector): New functions. * c-attribs.c (c_common_attribute_table): Add "omp declare variant" attribute. (handle_omp_declare_variant_attribute): New function. 2019-10-09 Martin Sebor PR tree-optimization/90879 * c.opt (-Wstring-compare): New option. 2019-10-08 Andrew Sutton Jason Merrill Update the concepts implementation to conform to the C++20 specification, improve compile times, and generally clean up the implementation. * c-cppbuiltin.c (c_cpp_builtins): Use new feature test values for concepts when -std=c++2a. Bump __cpp_concepts to 201907. * c.opt: Add -Wconcepts-ts. * c-opts.c (c_common_post_options): Warn when -fconcepts is used with -std=c++2a. Disable warning for -fconcepts in C++20 mode. (set_std_cxx2a): Enable concepts by default. 2019-10-08 Joseph Myers * c-opts.c (c_common_post_options): Set -fno-fp-int-builtin-inexact for C2X. 2019-10-05 Jakub Jelinek PR c++/91369 - Implement P0784R7: constexpr new * c-cppbuiltin.c (c_cpp_builtins): Predefine __cpp_constexpr_dynamic_alloc=201907 for -std=c++2a. 2019-10-04 Joseph Myers PR c/82752 * c-format.c (C_STD_VER): Handle C2x. (C_STD_NAME): Likewise. (strftime_flag_specs): Add 'O' modifier with 'p' flag. (time_char_table): Use separate entry for 'B' and 'b', with 'O' modifier allowed and 'p' flag. * c-format.h (enum format_std_version): Add STD_C2X. (struct format_char_info): Mention 'p' in comment on flags2. 2019-10-01 David Malcolm * c-opts.c (c_diagnostic_finalizer): Temporarily clear prefix when calling diagnostic_show_locus, rather than destroying it afterwards. 2019-10-01 Jakub Jelinek PR c++/91925 * c-warn.c (check_alignment_of_packed_member): Ignore FIELD_DECLs with NULL DECL_FIELD_OFFSET. 2019-10-01 Richard Sandiford * c-pretty-print.c (pp_c_specifier_qualifier_list): If a vector type has a type name, use it in preference to the __vector syntax. 2019-09-30 Richard Sandiford * c-pretty-print.c (pp_c_parameter_type_list): Avoid printing two spaces between a comma and "...". 2019-09-27 Jakub Jelinek PR c++/88203 * c-common.h (c_omp_predefined_variable): Declare. * c-omp.c (c_omp_predefined_variable): New function. (c_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for predefined variables. 2019-09-27 Richard Sandiford * c-common.h (build_function_call_vec): Take the original function decl as an optional final parameter. (check_builtin_function_arguments): Take the original function decl. * c-common.c (check_builtin_function_arguments): Likewise. Handle all built-in functions, not just BUILT_IN_NORMAL ones. Use targetm.check_builtin_call to check BUILT_IN_MD functions. 2019-09-15 Jason Merrill * c-warn.c (warn_logical_operator): Strip location wrappers. Don't fold_for_warn in "|| mask" warning. 2019-09-10 Martin Liska * c.opt: Use newly added WarnRemoved. 2019-09-09 Martin Liska * c.opt: Update comment of removed options that are preserved only for backward compatibility. 2019-09-06 Martin Liska PR c++/91125 * c-common.c: Remove definition of flag_use_repository. * c-common.h: Likewise. * c-opts.c (c_common_handle_option): Do not handle OPT_frepo option. * c.opt: Mark the option with Deprecated. 2019-09-04 Marek Polacek * c.opt (fdeduce-init-list): Ignored. 2019-09-04 Prathamesh Kulkarni PR c/78736 * c.opt (Wenum-conversion): New option. 2019-09-03 Jozef Lawrynowicz * c-attribs.c (handle_section_attribute): Call the handle_generic_attribute target hook after performing target independent processing. (handle_noinit_attribute): Likewise. 2019-09-03 Ian Lance Taylor * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Always expand when using -fgo-dump-spec. 2019-09-02 Martin Liska PR c++/91155 * c-common.c (fname_as_string): Use cxx_printable_name for __PRETTY_FUNCTION__ same as was used before r265711. 2019-08-28 Marek Polacek Implement P1152R4: Deprecating some uses of volatile. PR c++/91361 * c-opts.c (c_common_post_options): Enable -Wvolatile by default for C++2a, unless -Wno-deprecated. * c.opt (Wvolatile): New warning. 2019-08-28 Marek Polacek PR c++/91360 - Implement C++20 P1143R2: constinit. * c-common.c (c_common_reswords): Add constinit and __constinit. (keyword_is_decl_specifier): Handle RID_CONSTINIT. * c-common.h (enum rid): Add RID_CONSTINIT, RID_FIRST_CXX20, and RID_LAST_CXX20. (D_CXX20): Define. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_constinit. * c-format.c (cxx_keywords): Add "constinit". * c.opt (Wc++2a-compat, Wc++20-compat): New options. 2019-08-27 Jakub Jelinek PR c++/91415 * c-common.c (verify_tree): For LSHIFT_EXPR, RSHIFT_EXPR, COMPONENT_REF and ARRAY_REF in cxx_dialect >= cxx17 mode handle it like COMPOUND_EXPR rather than normal expression. 2019-08-23 Iain Sandoe PR pch/61250 * c-lex.c (c_lex_with_flags): Don't call c_common_no_more_pch () from here. 2019-08-23 Jakub Jelinek PR middle-end/91283 * c-common.c (c_ts18661_flt_eval_method): Use flag_excess_precision instead of flag_excess_precision_cmdline. * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): Likewise. * c-opts.c (c_common_post_options): Likewise. 2019-08-22 Martin Sebor PR middle-end/91490 * c-common.c (braced_list_to_string): Add argument and overload. Handle flexible length arrays and unions. 2019-08-21 Eric Botcazou * c-ada-spec.c (dump_ada_function_declaration): Be prepared for broken function declarations where arguments are missing. Rename variables. 2019-08-15 Richard Biener * c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is enabled, define __SIZETYPE__. 2019-08-14 Christophe Lyon * c-attribs.c (c_common_attribute_table): Add "noinit" entry. Add exclusion with "section" attribute. (attr_noinit_exclusions): New table. (handle_noinit_attribute): New function. 2019-08-13 Richard Sandiford PR middle-end/91421 * c-common.c (resolve_overloaded_builtin): Use copy_decl_built_in_function. 2019-08-13 Martin Sebor PR c/80619 * c-format.c (printf_length_specs): Set FMT_LEN_w for "w". (asm_fprintf_length_spec): Same. * c-format.h (format_lengths): Add FMT_LEN_w. 2019-08-10 Jakub Jelinek * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_DEVICE_TYPE. 2019-08-07 Jakub Jelinek * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR. Set PRAGMA_OACC_CLAUSE_USE_DEVICE equal to PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR instead of being a separate enumeration value. 2019-08-05 Marek Polacek PR c++/91338 - Implement P1161R3: Deprecate a[b,c]. * c-opts.c (c_common_post_options): Enable -Wcomma-subscript by default for C++2a, unless -Wno-deprecated. * c.opt (Wcomma-subscript): New warning. 2019-07-20 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_LOOP. (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_BIND. * c-pragma.c (omp_pragmas_simd): Add PRAGMA_OMP_LOOP entry. * c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_LOOP. * c-omp.c (c_omp_split_clauses): Add support for 4 new combined constructs with the loop construct. 2019-07-13 Jakub Jelinek PR c/91149 * c-omp.c (c_omp_split_clauses): Fix a pasto in OMP_CLAUSE_REDUCTION_TASK handling. 2019-07-12 Jakub Jelinek * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ORDER. * c-omp.c (c_omp_split_clauses): Handle splitting of OMP_CLAUSE_ORDER. 2019-07-09 Martin Sebor PR c++/61339 * c-opts.c (handle_deferred_opts): Change class-key of PODs to struct and others to class. * c-pretty-print.h: Same. 2019-07-09 Martin Sebor PR c++/61339 * c-format.c (check_argument_type): Change class-key from class to struct and vice versa to match convention and avoid -Wclass-is-pod and -Wstruct-no-pod. * c-pretty-print.h: Same. 2019-07-03 Martin Liska * c-common.c (try_to_locate_new_include_insertion_point): Remove dead assignemts. 2019-07-03 Jakub Jelinek * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_REDUCTION_INSCAN clauses on OMP_FOR rather than OMP_PARALLEL when OMP_FOR is combined with OMP_PARALLEL. 2019-07-02 qing zhao PR preprocessor/90581 * c-opts.c (c_common_handle_option): Handle -fmax-include-depth. * c.opt: Add new option -fmax-include-depth. 2019-06-26 Jason Merrill PR c++/55442 - memory-hog with highly recursive constexpr. * c.opt (fconstexpr-loop-limit): New. 2019-06-25 Jakub Jelinek PR sanitizer/90954 * c-omp.c (c_finish_omp_atomic): Allow tree_invariant_p in addition to SAVE_EXPR in first operand of a COMPOUND_EXPR. 2019-06-25 Jozef Lawrynowicz * c-common.c (c_common_nodes_and_builtins): Define alternate "__intN__" name for "__intN" types. 2019-06-24 Jan Hubicka * c-common.c (braced_lists_to_strings): Check that type is array or integer prior checking string flag. 2019-06-21 Matthew Beliveau PR c++/90875 - added -Wswitch-outside-range option * c.opt (Wswitch-outside-range): Added new option. * c-warn.c (c_do_switch_warnings): Use OPT_Wswitch-outside-range. 2019-06-21 Marek Polacek PR c++/90953 - ICE with -Wmissing-format-attribute. * c-common.c (check_function_arguments_recurse): Use get_attribute_name. (check_missing_format_attribute): Likewise. 2019-06-19 Marek Polacek PR c++/60364 - noreturn after first decl not diagnosed. * c-attribs.c (handle_noreturn_attribute): No longer static. * c-common.h (handle_noreturn_attribute, attr_noreturn_exclusions): Declare. * c-format.c (check_function_format): Use get_attribute_name. 2019-06-19 Martin Sebor PR translation/90156 * c-format.c (function_format_info::format_type): Adjust type. (function_format_info::is_raw): New member. (decode_format_type): Adjust signature. Handle "raw" diag attributes. (decode_format_attr): Adjust call to decode_format_type. Avoid a redundant call to convert_format_name_to_system_name. Avoid abbreviating the word "arguments" in a diagnostic. (format_warning_substr): New function. (avoid_dollar_number): Quote dollar sign in a diagnostic. (finish_dollar_format_checking): Same. (check_format_info): Same. (struct baltoks_t): New. (c_opers, c_keywords, cxx_keywords, badwords, contrs): New arrays. (maybe_diag_unbalanced_tokens, check_tokens, check_plain): New functions. (check_format_info_main): Call check_plain. Use baltoks_t. Call maybe_diag_unbalanced_tokens. (handle_format_attribute): Spell out the word "arguments" in a diagnostic. 2019-06-11 Matthew Beliveau PR c++/90449 - add -Winaccessible-base option. * c.opt (Winaccessible-base): New option. 2019-06-10 Jakub Jelinek * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCAN. * c-pragma.c (omp_pragmas_simd): Add #pragma omp scan. * c-omp.c (c_omp_split_clauses): Diagnose inscan reductions on combined/composite constructs where it is not allowed. Copy over OMP_CLAUSE_REDUCTION_INSCAN. 2019-06-05 Martin Sebor * c-attribs.c (handle_mode_attribute): Adjust quoting and hyphenation. (handle_alias_ifunc_attribute): Same. (handle_copy_attribute): Same. (handle_weakref_attribute): Same. (handle_nonnull_attribute): Same. * c-warn.c (warn_for_sign_compare): Same. (warn_for_restrict): Same. * c.opt: Same. 2019-06-05 Martin Sebor * c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic. * c.opt (-Wformat-diag): Remove a spurious period. 2019-05-29 Jakub Jelinek PR c/90628 * c-common.c (check_builtin_function_arguments) : Diagnose pointer to const qualified integer as last argument. 2019-05-23 Eric Botcazou * c-ada-spec.c (compare_node): Compare the DECL_UIDs as a last resort. 2019-05-22 Martin Liska PR lto/90500 * c-attribs.c (handle_copy_attribute): Do not copy target_clones attribute. 2019-05-21 Eric Botcazou * c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR. * c-ada-spec.c (print_assignment_operator): New function. (dump_ada_declaration) : Call it do dump explicit copy assignment operators declared as methods and filter out the others. 2019-05-17 Thomas Schwinge PR c/89433 * c-attribs.c (c_common_attribute_table): Set min_len to -1 for "omp declare target". 2019-05-16 Martin Sebor * c-attribs.c (handle_no_sanitize_attribute): Quote identifiers, keywords, operators, and types in diagnostics. (handle_scalar_storage_order_attribute): Same. (handle_mode_attribute): Same. (handle_visibility_attribute): Same. (handle_assume_aligned_attribute): Same. (handle_no_split_stack_attribute): Same. * c-common.c (shorten_compare): Same. (c_common_truthvalue_conversion): Same. (cb_get_source_date_epoch): Same. * c-lex.c (cb_def_pragma): Quote keywords, operators, and types in diagnostics. (interpret_float): Same. * c-omp.c (c_finish_omp_for): Same. * c-opts.c (c_common_post_options): Same. * c-pch.c (c_common_pch_pragma): Same. * c-pragma.c (pop_alignment): Same. (handle_pragma_pack): Same. (apply_pragma_weak): Same. (handle_pragma_weak): Same. (handle_pragma_scalar_storage_order): Same. (handle_pragma_redefine_extname): Same. (add_to_renaming_pragma_list): Same. (maybe_apply_renaming_pragma): Same. (push_visibility): Same. (handle_pragma_visibility): Same. (handle_pragma_optimize): Same. (handle_pragma_message): Same. * c-warn.c (warn_for_omitted_condop): Same. (lvalue_error): Same. 2019-05-15 Richard Biener PR c/90474 * c-common.c (c_common_mark_addressable_vec): Also mark a COMPOUND_LITERAL_EXPR_DECL addressable similar to c_mark_addressable. 2019-05-06 Nathan Sidwell * c-opts.c (handle_defered_opts): Rename struct deps to struc mkdeps. 2019-04-30 Nathan Sidwell * c-common.c (c_common_init_ts): Use MARK_TS_EXP. Mark SIZEOF_EXPR. 2019-04-30 Martin Liska * c-pragma.c (handle_pragma_diagnostic): Provide hints for unknown options. 2019-04-26 Richard Sandiford * c-warn.c (strict_aliasing_warning): Apply COMPLETE_TYPE_P to the pointer target rather than the pointer itself. 2019-04-19 Jakub Jelinek PR c/89888 * c-common.h (c_add_case_label): Remove orig_type and outside_range_p arguments. (c_do_switch_warnings): Remove outside_range_p argument. * c-common.c (check_case_bounds): Removed. (c_add_case_label): Remove orig_type and outside_range_p arguments. Don't call check_case_bounds. Fold low_value as well as high_value. * c-warn.c (c_do_switch_warnings): Remove outside_range_p argument. Check for case labels outside of range of original type here and adjust them. 2019-04-12 Jakub Jelinek PR translation/90041 * c.opt (-fhandle-exceptions): Use %< and %> around option names in the Warn diagnostics. PR c/89946 * c-attribs.c (handle_patchable_function_entry_attribute): Add function comment. Warn if arguments of the attribute are not positive integer constants. 2019-04-09 Eric Botcazou * c-ada-spec.c (print_destructor): Deal with deleting destructors. (dump_ada_declaration) : Likewise. 2019-04-07 Eric Botcazou * c-ada-spec.c (is_float128): New predicate extracted from... (dump_ada_node) : Use it to recognize __cfloat128. : ...here. Call it. 2019-04-05 David Malcolm PR c/89985 * c-warn.c (check_address_or_pointer_of_packed_member): Add auto_diagnostic_group. Guard inform calls by result of warning_at call. 2019-04-05 Marek Polacek PR c++/89973 - -Waddress-of-packed-member ICE with invalid conversion. * c-warn.c (check_address_or_pointer_of_packed_member): Check the type of RHS. 2019-04-03 Jason Merrill PR c++/86586 - -fcompare-debug=-Wsign-compare. * c-warn.c (warn_for_sign_compare): Call fold_for_warn. 2019-04-01 Martin Sebor PR c/89685 * c-attribs.c (handle_copy_attribute): Handle references and non-constant expressions. 2019-03-22 Jakub Jelinek PR c++/87481 * c.opt (-fconstexpr-ops-limit=): New option. 2019-03-21 Jakub Jelinek * c-common.c (per_file_includes_t): Use false as Lazy in hash_set template param. 2019-03-19 Martin Sebor PR tree-optimization/89688 * c-common.c (braced_list_to_string): Make static. (braced_lists_to_strings): Define new function. * c-common.h (braced_list_to_string): Remove. (braced_lists_to_strings): Declare. 2019-03-12 Martin Liska * c-opts.c (c_common_handle_option): Wrap option with %< and %>. 2019-03-11 Martin Liska * c-opts.c (c_common_post_options): Wrap apostrophes in gcc internal format with %'. 2019-03-11 Martin Liska * c-attribs.c (handle_nocf_check_attribute): Wrap an option name in a string format message and fix GNU coding style. * c-common.c (vector_types_convertible_p): Likewise. (c_build_vec_perm_expr): Likewise. * c-indentation.c (get_visual_column): Likewise. * c-opts.c (c_common_handle_option): Likewise. (c_common_post_options): Likewise. (sanitize_cpp_opts): Likewise. * c-pch.c (c_common_pch_pragma): Likewise. * c-pragma.c (handle_pragma_pack): Likewise. 2019-03-08 Jakub Jelinek PR tree-optimization/89550 * c-common.c (c_common_truthvalue_conversion): Only set TREE_NO_WARNING if warning_at returned true. * c-warn.c (overflow_warning, warn_logical_operator): Likewise. 2019-02-25 Sandra Loosemore Martin Sebor * c.opt (Wmissing-attributes): Clean up doc string. 2019-02-25 Jakub Jelinek PR c/89495 * c-format.c (maybe_read_dollar_number): Compute nargnum in HOST_WIDE_INT type to avoid overflows and change overflow_flag checking. 2019-02-22 Richard Biener * c-pch.c (no_checksum): Remove. (pch_init): Remove assertion that executable_checksum is not all zero. (c_common_valid_pch): Likewise. 2019-02-18 Martin Sebor PR middle-end/89294 * c-common.c (invalid_array_size_error): Handle cst_size_not_constant. 2019-02-16 David Malcolm PR c++/88680 * c-common.c (shorten_compare): Call fold_for_warn on op0 when implementing -Wtype-limits. 2019-02-11 Martin Sebor PR c++/87996 * c-common.c (invalid_array_size_error): New function. (valid_array_size_p): Call it. Handle size as well as type. * c-common.h (valid_constant_size_p): New function. (enum cst_size_error): New type. 2019-01-31 David Malcolm PR c/89122 * known-headers.cc (get_stdlib_header_for_name): Add {FLT|DBL|LDBL}_{MAX|MIN} to "hints" array. 2019-01-31 Jakub Jelinek PR libstdc++/88170 * c-pretty-print.c (pp_c_enumeration_constant): Print always as a C cast in pp_c_flag_gnu_v3 mode. 2019-01-29 Jakub Jelinek PR c/86125 * c-common.c (c_common_nodes_and_builtins): Build type variants for builtin_structptr_types types even for C. 2019-01-28 Bernd Edlinger * c-warn.c (check_address_or_pointer_of_packed_member): Handle the case when rhs is of array type correctly. Fix handling of nested structures. Fix handling of indirect_ref together with nop_expr and/or addr_expr. (check_and_warn_address_or_pointer_of_packed_member): Fix handling of type casts within nested compound expressions. 2019-01-22 Jakub Jelinek PR middle-end/88968 * c-omp.c (c_finish_omp_atomic): For bitfield atomics, update type variable after using BIT_FIELD_REF. 2019-01-18 H.J. Lu PR c/51628 PR c/88664 * c-common.h (warn_for_address_or_pointer_of_packed_member): Remove the boolean argument. * c-warn.c (check_address_of_packed_member): Renamed to ... (check_address_or_pointer_of_packed_member): This. Also warn pointer conversion. (check_and_warn_address_of_packed_member): Renamed to ... (check_and_warn_address_or_pointer_of_packed_member): This. Also warn pointer conversion. (warn_for_address_or_pointer_of_packed_member): Remove the boolean argument. Don't check pointer conversion here. 2019-01-15 Richard Sandiford PR inline-asm/52813 * c.opt (Wdeprecated): Move documentation and variable to common.opt. 2019-01-14 Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtin): Define __cpp_guaranteed_copy_elision and __cpp_nontype_template_parameter_auto. Add a comment that __cpp_template_auto is deprecated. 2019-01-14 Tom Honermann Implement P0482R5, char8_t: A type for UTF-8 characters and strings * c-common.c (c_common_reswords): Add char8_t. (fix_string_type): Use char8_t for the type of u8 string literals. (c_common_get_alias_set): char8_t doesn't alias. (c_common_nodes_and_builtins): Define char8_t as a builtin type in C++. (c_stddef_cpp_builtins): Add __CHAR8_TYPE__. (keyword_begins_type_specifier): Add RID_CHAR8. * c-common.h (rid): Add RID_CHAR8. (c_tree_index): Add CTI_CHAR8_TYPE and CTI_CHAR8_ARRAY_TYPE. Define D_CXX_CHAR8_T and D_CXX_CHAR8_T_FLAGS. Define char8_type_node and char8_array_type_node. * c-cppbuiltin.c (cpp_atomic_builtins): Predefine __GCC_ATOMIC_CHAR8_T_LOCK_FREE. (c_cpp_builtins): Predefine __cpp_char8_t. * c-lex.c (lex_string): Use char8_array_type_node as the type of CPP_UTF8STRING. (lex_charconst): Use char8_type_node as the type of CPP_UTF8CHAR. * c-opts.c: If not otherwise specified, enable -fchar8_t when targeting C++2a. * c.opt: Add the -fchar8_t command line option. 2019-01-14 Martin Sebor PR target/88638 * c-attribs.c (positional_argument): Call valid_format_string_type_p and issue errors if it fails. * c-common.h (valid_format_string_type_p): Declare. * c-format.c (valid_stringptr_type_p): Rename... (valid_format_string_type_p): ...to this and make extern. (handle_format_arg_attribute): Adjust to new name. (check_format_string): Same. 2019-01-13 H.J. Lu * c-warn.c (warn_for_address_or_pointer_of_packed_member): Replace "may may" with "may" in warning message. 2019-01-07 Jakub Jelinek PR c++/85052 * c-common.h (enum rid): Add RID_BUILTIN_CONVERTVECTOR. (c_build_vec_convert): Declare. * c-common.c (c_build_vec_convert): New function. 2019-01-04 Martin Sebor PR c/88546 * c-attribs.c (handle_copy_attribute): Avoid copying attribute leaf. Handle C++ empty throw specification and C11 _Noreturn. (has_attribute): Also handle C11 _Noreturn. 2019-01-04 Martin Sebor PR c/88363 * c-attribs.c (positional_argument): Also accept enumerated types. 2019-01-01 Jakub Jelinek Update copyright years. 2018-12-20 H.J. Lu PR c/51628 * c-common.h (warn_for_address_or_pointer_of_packed_member): New. * c-warn.c (check_alignment_of_packed_member): New function. (check_address_of_packed_member): Likewise. (check_and_warn_address_of_packed_member): Likewise. (warn_for_address_or_pointer_of_packed_member): Likewise. * c.opt: Add -Wno-address-of-packed-member. 2018-12-20 David Malcolm PR c++/87504 * c-warn.c (get_outermost_macro_expansion): New function. (spelled_the_same_p): Use it to unwind the macro expansions, and compare the outermost macro in each nested expansion, rather than the innermost. 2018-12-19 David Malcolm PR c++/87504 * c-common.h (warn_tautological_cmp): Convert 1st param from location_t to const op_location_t &. * c-warn.c (find_array_ref_with_const_idx_r): Call fold_for_warn when testing for INTEGER_CST. (warn_tautological_bitwise_comparison): Convert 1st param from location_t to const op_location_t &; use it to build a binary_op_rich_location, and use this. (spelled_the_same_p): New function. (warn_tautological_cmp): Convert 1st param from location_t to const op_location_t &. Warn for macro expansions if spelled_the_same_p. Use binary_op_rich_location. 2018-12-19 David Malcolm PR c++/43064 PR c++/43486 * c-common.c (unsafe_conversion_p): Fold any location wrapper. (verify_tree): Handle location wrappers. (c_common_truthvalue_conversion): Strip any location wrapper. Handle CONST_DECL. (fold_offsetof): Strip any location wrapper. (complete_array_type): Likewise for initial_value. (convert_vector_to_array_for_subscript): Call fold_for_warn on the index before checking for INTEGER_CST. * c-pretty-print.c (c_pretty_printer::primary_expression): Don't print parentheses around location wrappers. * c-warn.c (warn_logical_operator): Call fold_for_warn on op_right before checking for INTEGER_CST. (warn_tautological_bitwise_comparison): Call tree_strip_any_location_wrapper on lhs, rhs, and bitop's operand before checking for INTEGER_CST. (readonly_error): Strip any location wrapper. (warn_array_subscript_with_type_char): Strip location wrappers before checking for INTEGER_CST. Use the location of the index if available. 2018-12-06 Jason Merrill PR c++/88136 - -Wdeprecated-copy false positives * c.opt (Wdeprecated-copy-dtor): New. (Wdeprecated-copy): Move to -Wextra. 2018-11-29 Martin Sebor PR c/88172 PR testsuite/88208 * c-attribs.c (common_handle_aligned_attribute): Silently avoid setting alignments to values less than the target requires. (has_attribute): For attribute aligned consider both the attribute and the alignment bits. * c-common.c (c_init_attributes): Optionally issue a warning for zero alignment. 2018-11-28 Martin Sebor PR c/88065 PR c/87297 * c-warn.c (sizeof_pointer_memaccess_warning): Bail if source or destination is an error. 2018-11-28 Jakub Jelinek PR c++/88215 * c-ubsan.c: Include langhooks.h. (ubsan_instrument_division): Change gcc_assert that main variants of op0 and op1 types are equal to gcc_checking_assert that the main variants are compatible types. 2018-11-27 Eric Botcazou * c-ada-spec.c: Include stringpool.h. (has_static_fields): Return false for incomplete types. (is_tagged_type): Likewise. (has_nontrivial_methods): Likewise. (dump_ada_node) : Deal specifically with __int128. (struct overloaded_name_hash): New structure. (struct overloaded_name_hasher): Likewise. (overloaded_names): New global variable. (init_overloaded_names): New static function. (overloaded_name_p): New predicate. (dump_ada_declaration) : Tidy up and set TREE_VISITED on the TYPE_STUB_DECL of the original type of a typedef, if any. : Bail out for an unsupported overloaded name. Remove always-true condition and dump forward types. (dump_ada_specs): Delete overloaded_names. 2018-11-20 Martin Sebor * c-attribs.c (type_for_vector_size): New function. (type_valid_for_vector_size): Same. (handle_vector_size_attribute): Move code to the functions above and call them. (validate_attribute, has_attribute): New functions. * c-common.h (has_attribute): Declare. (rid): Add RID_HAS_ATTRIBUTE_EXPRESSION. * c-common.c (c_common_resword): Same. 2018-11-16 Jason Merrill * c-lex.c (c_common_has_attribute): Handle likely/unlikely. * c-attribs.c (attr_cold_hot_exclusions): Make public. 2018-11-16 Jakub Jelinek PR middle-end/87854 * c-common.c (fix_string_type): Reject string literals larger than TYPE_MAX_VALUE (ssizetype) bytes. 2018-11-15 Martin Sebor PR c++/87541 PR c++/87542 * c-attribs.c (positional_argument): New function. (handle_alloc_size_attribute): Use it and simplify. (handle_alloc_align_attribute): Same. (handle_assume_aligned_attribute): Same. (handle_nonnull_attribute): Same. * c-common.c (check_function_arguments): Pass fntype to check_function_format. * c-common.h (check_function_format): Add an argument. (PosArgFlags, positional_argument): Declare new type and function. * c-format.c (decode_format_attr): Add arguments. (check_format_string, get_constant): Same. (convert_format_name_to_system_name): Adjust. 2018-11-15 David Malcolm PR other/19165 * c-opts.c (c_diagnostic_finalizer): Add diagnostic_t param. 2018-11-14 Jakub Jelinek P1236R1 - Signed integers are two's complement * c-warn.c (maybe_warn_shift_overflow): Don't warn for c++2a. * c-ubsan.c (ubsan_instrument_shift): Make signed shifts with in-range second operand well defined for -std=c++2a. PR other/88007 * c-common.c (parse_optimize_options): Allocate option string from opts_obstack rather than as GC memory. Move the allocation after warning for invalid option. 2018-11-13 David Malcolm * c-common.c (c_get_substring_location): Update for renaming of get_source_location_for_substring to get_location_within_string. * c-lex.c: Replace "source_location" with "location_t". * c-opts.c: Likewise. * c-ppoutput.c: Likewise. 2018-11-13 Martin Sebor PR middle-end/81824 * c-attribs.c (handle_copy_attribute): Exclude inlining attributes. (handle_tls_model_attribute): Improve diagnostics. 2018-11-12 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_impl_destroying_delete. * c-cppbuiltin.c (c_cpp_builtins): Change __cpp_explicit_bool to __cpp_conditional_explicit. 2018-11-09 Martin Sebor PR middle-end/81824 * c-attribs.c (handle_copy_attribute): New function. 2018-11-09 Martin Sebor PR c/87795 * c-common.c (check_user_alignment): Use MAX_OFILE_ALIGNMENT. 2018-11-08 Jakub Jelinek * c-common.h (c_finish_omp_taskgroup): Add CLAUSES argument. (c_finish_omp_atomic): Replace bool SEQ_CST argument with enum omp_memory_order MEMORY_ORDER. (c_finish_omp_flush): Add MO argument. (c_omp_depend_t_p, c_finish_omp_depobj): Declare. (c_finish_omp_for): Add FINAL_P argument. * c-omp.c: Include memmodel.h. (c_finish_omp_taskgroup): Add CLAUSES argument. Set OMP_TASKGROUP_CLAUSES to it. (c_finish_omp_atomic): Replace bool SEQ_CST argument with enum omp_memory_order MEMORY_ORDER. Set OMP_ATOMIC_MEMORY_ORDER instead of OMP_ATOMIC_SEQ_CST. (c_omp_depend_t_p, c_finish_omp_depobj): New functions. (c_finish_omp_flush): Add MO argument, if not MEMMODEL_LAST, emit __atomic_thread_fence call with the given value. (check_omp_for_incr_expr): Formatting fixes. (c_finish_omp_for): Add FINAL_P argument. Allow NE_EXPR even in OpenMP loops, diagnose if NE_EXPR and incr expression is not constant expression 1 or -1. Transform NE_EXPR loops with iterators pointers to VLA into LT_EXPR or GT_EXPR loops. (c_omp_check_loop_iv_r): Look for orig decl of C++ range for loops too. (c_omp_split_clauses): Add support for combined #pragma omp parallel master and #pragma omp {,parallel }master taskloop{, simd} constructs. Handle OMP_CLAUSE_IN_REDUCTION. Handle OMP_CLAUSE_REDUCTION_TASK. Handle OMP_CLAUSE_NONTEMPORAL. Handle splitting OMP_CLAUSE_IF also to OMP_SIMD. Copy OMP_CLAUSE_LASTPRIVATE_CONDITIONAL. (c_omp_predetermined_sharing): Don't return OMP_CLAUSE_DEFAULT_SHARED for const qualified decls. * c-pragma.c (omp_pragmas): Add PRAGMA_OMP_DEPOBJ and PRAGMA_OMP_REQUIRES. * c-pragma.h (enum pragma_kind): Likewise. (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_NONTEMPORAL and PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION. 2018-11-08 David Malcolm * c-format.c (gcc_dump_printf_char_table): Add entry for %f. 2018-11-08 David Malcolm * c-format.c (local_cgraph_node_ptr_node): New variable. (gcc_dump_printf_char_table): Add entry for %C. (get_pointer_to_named_type): New function, taken from the handling code for "gimple *" from... (init_dynamic_diag_info): ...here. Add handling for "cgraph_node *". * c-format.h (T_CGRAPH_NODE): New. 2018-10-19 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_nontype_template_parameter_class. 2018-10-31 Nathan Sidwell * c-opts.c (c_finish_options): Force command line macro location. Refactor to avoid repeating main debug hook. (push_command_line_include): Clarify comment. * c-opts.c (c_finish_options): Adjust cpp_force_token_locations call. 2018-10-30 Martin Sebor PR middle-end/87041 * c-format.c (check_format_types): Avoid diagnosing null pointer arguments to printf-family of functions. 2018-10-30 Marek Polacek Implement P0892R2, explicit(bool). * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_explicit_bool. 2018-10-29 David Malcolm * name-hint.h (name_hint::take_deferred): New member function. 2018-10-29 David Malcolm PR c++/56856 * c-common.c (check_function_sentinel): Call fold_for_warn on the argument. (check_function_restrict): Rename param "argarray" to "unfolded_argarray", and make a copy named "argarray", calling fold_for_warn on each argument. (check_function_arguments): Add note about responsibility for folding the arguments. 2018-10-17 Joseph Myers * c-common.c (flag_isoc2x): New variable. * c-common.h (clk_c): Update comment to reference C2X. (flag_isoc99, flag_isoc11): Update comments to reference future standard versions in general. (flag_isoc2x): Declare. * c-opts.c (set_std_c2x): New function. (c_common_handle_option): Handle -std=c2x and -std=gnu2x. (set_std_c89, set_std_c99, set_std_c11, set_std_c17): Set flag_isoc2x to 0. * c.opt (Wc11-c2x-compat, std=c2x, std=gnu2x): New options. 2018-10-17 Joseph Myers * c.opt (std=c17, std=c18, std=gnu17, std=gnu18, std=iso9899:2017) (std=iso9899:2018): Document C17 as published in 2018. 2018-10-12 Christophe Lyon PR c++/87364 * c-pretty-print.c (c_pretty_printer::constant): Fix typo. 2018-10-11 Will Wray PR c++/87364 * c-pretty-print.h (pp_c_type_cast): Prototype. (pp_c_integer_constant): Likewise. * c-pretty-print.c (pp_c_type_cast): No longer static. (pp_c_integer_constant): Likewise. (pp_c_enumeration_constant): Fix loop termination when finding name of constant. No longer returns a value. Call pp_c_integer_constant. (c_pretty_printer::constant): Update for changes to pp_c_enumeration_constant. 2018-10-11 Jakub Jelinek * c-lex.c (c_common_has_attribute): Return 201803 instead of 20180312 for no_unique_address. 2018-10-09 David Malcolm * c-common.c (c_option_controlling_cpp_error): Rename to... (c_option_controlling_cpp_diagnostic): ...this, and convert "reason" from int to enum. (c_cpp_error): Rename to... (c_cpp_diagnostic): ...this, converting level and reason to enums. * c-common.h (c_cpp_error): Rename to... (c_cpp_diagnostic): ...this, converting level and reason to enums. * c-opts.c (c_common_init_options): Update for renaming. 2018-10-08 Richard Sandiford PR c/87286 * c-common.c (vector_types_compatible_elements_p): Use INTEGRAL_TYPE_P instead of checking only for INTEGER_TYPE. 2018-10-04 Vinay Kumar * c-attribs.c (get_priority): Add a warning flag warn_prio_ctor_dtor to generate constructor destructor priority warning. * c.opt (-Wprio-ctor-dtor): New option. 2018-10-01 Jason Merrill * c-lex.c (c_common_has_attribute): Add no_unique_address. 2018-10-01 Eric Botcazou * c-ada-spec.c (get_underlying_decl): Get to the main type variant. (dump_ada_node): Add const keyword. 2018-09-25 Martin Liska * c-common.c (c_common_truthvalue_conversion): Remove Pascal from documentation. 2018-09-21 Eric Botcazou * c-ada-spec.c: Include diagnostic.h. (dump_ada_declaration) : Issue a warning on packed layout. 2018-09-19 Marek Polacek * c.opt (Wclass-conversion): New. 2018-09-17 David Malcolm * c-format.c (range_label_for_format_type_mismatch::get_text): Update for new param. 2018-09-17 David Malcolm * c-format.c (format_warning_at_char): Update for introduction of format_string_diagnostic_t. (format_type_warning): Likewise. 2018-09-17 Martin Jambor PR c/63886 * c.opt (Wabsolute-value): New. 2018-09-06 Bernd Edlinger * c-common.c (complete_flexible_array_elts): New helper function. * c-common.h (complete_flexible_array_elts): Declare. 2018-09-02 Bernd Edlinger * c-common.c (braced_list_to_string): Remove eval parameter. Add some more checks. Always create zero-terminated STRING_CST. * c-common.h (braced_list_to_string): Adjust prototype. 2018-08-27 David Malcolm PR 87091 * c-common.c (c_cpp_error): Update for conversion of show_caret_p to a tri-state. (maybe_suggest_missing_token_insertion): Likewise. (maybe_add_include_fixit): Add param "override_location". If set, and source-printing is enabled, then override the rich_location's primary location with that of the insertion point for the fix-it hint, marking it with SHOW_LINES_WITHOUT_RANGE. * c-common.h (extern void maybe_add_include_fixit): Add bool param. * c-format.c (selftest::test_type_mismatch_range_labels): Update for conversion of show_caret_p to a tri-state. * c-warn.c (warn_for_restrict): Likewise. * known-headers.cc (suggest_missing_header::~suggest_missing_header): Update call to maybe_add_include_fixit to suggest overriding the location, as it is for a note. 2018-08-27 Martin Liska * c-common.c (check_function_restrict): Use new function fndecl_built_in_p and remove check for FUNCTION_DECL if possible. (check_builtin_function_arguments): Likewise. (reject_gcc_builtin): Likewise. * c-warn.c (sizeof_pointer_memaccess_warning): Likewise. 2018-08-26 Marek Polacek PR c++/87029, Implement -Wredundant-move. * c.opt (Wredundant-move): New option. 2018-08-21 Marek Polacek PR c++/86981, Implement -Wpessimizing-move. * c.opt (Wpessimizing-move): New option. 2018-08-20 David Malcolm PR other/84889 * c-attribs.c (common_handle_aligned_attribute): Add auto_diagnostic_group instance. * c-indentation.c (warn_for_misleading_indentation): Likewise. * c-opts.c (c_common_post_options): Likewise. * c-warn.c (warn_logical_not_parentheses): Likewise. (warn_duplicated_cond_add_or_warn): Likewise. (warn_for_multistatement_macros): Likewise. 2018-08-20 Nathan Sidwell * c-ada-spec.c (macro_length, dump_ada_macros): Adjust macro parm access. 2018-08-17 Nathan Sidwell * c-cppbuiltin.c (struct lazy_hex_fp_value_struct): Remove macro field. (laxy_hex_fp_value_count): Make unsigned. (lazy_hex_fp_value): Provided with macro & lazy number. Directly manipulate the macro. (builtin_defin_with_hex_fp_value): Adjust callback name, use cpp_define_lazily. 2018-08-17 David Malcolm * c-format.c (enum format_type): Add gcc_dump_printf_format_type. (gcc_dump_printf_length_specs): New. (gcc_dump_printf_flag_pairs): New. (gcc_dump_printf_flag_specs): New. (gcc_dump_printf_char_table): New. (format_types_orig): Add entry for "gcc_dump_printf". (init_dynamic_diag_info): Set up length_char_specs and conversion_specs for gcc_dump_printf_format_type. (handle_format_attribute): Handle gcc_dump_printf_format_type. 2018-08-17 Nathan Sidwell * c-ada-spec.c (macro_length, dump_ada_macros): Constify. * c-ada-spec.c: Don't #include "cpp-id-data.h" * c-cppbuiltin.c: Likewise. 2018-08-17 Martin Liska * c.opt: Remove Warn, Init and Report for options with Ignore/Deprecated flag. Warning is done automatically for Deprecated flags. 2018-08-16 David Malcolm PR c++/70693 * c-common.c (selftest::c_family_tests): Call selftest::c_indentation_c_tests. * c-common.h (selftest::c_indentation_c_tests): New decl. * c-indentation.c: Include "selftest.h". (next_tab_stop): Add "tab_width" param, rather than accessing cpp_opts. (get_visual_column): Likewise. Clarify comment. Bulletproof against reading past the end of the line. (get_first_nws_vis_column): Add "tab_width" param. (detect_intervening_unindent): Likewise. (should_warn_for_misleading_indentation): Read tab width from cpp_opts and pass around. (selftest::test_next_tab_stop): New test. (selftest::assert_get_visual_column_succeeds): New function. (ASSERT_GET_VISUAL_COLUMN_SUCCEEDS): New macro. (selftest::assert_get_visual_column_fails): New function. (ASSERT_GET_VISUAL_COLUMN_FAILS): New macro. (selftest::test_get_visual_column): New test. (selftest::c_indentation_c_tests): New function. 2018-08-16 Nathan Sidwell * c-ada-spec.c (count_ada_macro): Use cpp_user_macro_p. (store_ada_macro): Likewise. * c-ppoutput.c (cb_used_define, dump_macro): Likewise. * c-spellcheck.cc (should-suggest_as_macro_p): Likewise, 2018-08-15 David Malcolm * c-format.c: Include "selftest-diagnostic.h" and "gcc-rich-location.h". (format_warning_at_char): Pass NULL for new label params of format_warning_va. (class indirection_suffix): New class. (class range_label_for_format_type_mismatch): New class. (format_type_warning): Move logic for generating "*" suffix to class indirection_suffix. Create "fmt_label" and "param_label" to show their types, and pass them to the format_warning_at_substring calls. (selftest::test_type_mismatch_range_labels): New test. (selftest::c_format_c_tests): Call it. 2018-08-13 Martin Sebor PR tree-optimization/71625 * c-common.c (braced_list_to_string): New function. * c-common.h (braced_list_to_string): Declare it. 2018-08-08 Nathan Sidwell * c-common.c (try_to_locate_new_include_inertion_point): Use linemap_included_from_linemap. * c-lex.c (fe_file_change): Use linemap_included_from. * c-ppoutput.c (pp_file_change): Likewise. 2018-08-01 Martin Sebor PR tree-optimization/86650 * c-format.c (gcc_tdiag_char_table): Update comment for "%G". (gcc_cdiag_char_table, gcc_cxxdiag_char_table): Same. (init_dynamic_diag_info): Update from "gcall *" to "gimple *". * c-format.h (T89_G): Update to be "gimple *" rather than "gcall *". (local_gcall_ptr_node): Rename... (local_gimple_ptr_node): ...to this. 2018-07-31 David Malcolm * c-format.c (PP_FORMAT_CHAR_TABLE): New macro, based on existing table entries for gcc_diag_char_table, and the 'Z' entry from gcc_tdiag_char_table, changing the "chain" entry for 'Z' from &gcc_tdiag_char_table[0] to &gcc_diag_char_table[0]. (gcc_diag_char_table): Use PP_FORMAT_CHAR_TABLE, implicitly adding missing "Z" for this table. Remove erroneous "G" and "K" entries. (gcc_tdiag_char_table): Use PP_FORMAT_CHAR_TABLE. Remove "v". (gcc_cdiag_char_table): Use PP_FORMAT_CHAR_TABLE. (gcc_cxxdiag_char_table): Use PP_FORMAT_CHAR_TABLE. Remove "v". 2018-07-31 Richard Earnshaw * c-common.c (speculation_safe_resolve_call): New function. (speculation_safe_resolve_params): New function. (speculation_safe_resolve_return): New function. (resolve_overloaded_builtin): Handle __builtin_speculation_safe_value. * c-cppbuiltin.c (c_cpp_builtins): Add pre-define for __HAVE_SPECULATION_SAFE_VALUE. 2018-07-20 David Malcolm * c-common.c (c_cpp_error): Remove redundant "line_table" parameter from call to rich_location::set_range. (maybe_suggest_missing_token_insertion): Likewise. 2018-07-20 Martin Sebor PR middle-end/82063 * c.opt (-Warray-bounds): Remove redundant -Wall. 2018-07-20 Martin Sebor PR middle-end/82063 * c-common.h (c_common_handle_option): Change function argument to HOST_WIDE_INT. * c-opts.c (c_common_init_options): Same. (c_common_handle_option): Same. Remove special handling of OPT_Walloca_larger_than_ and OPT_Wvla_larger_than_. * c.opt (-Walloc-size-larger-than, -Walloca-larger-than): Change options to take a HOST_WIDE_INT argument and accept a byte-size suffix. Initialize. (-Wvla-larger-than): Same. (-Wno-alloc-size-larger-than, -Wno-alloca-larger-than): New. (-Wno-vla-larger-than): Same. 2018-07-12 Jakub Jelinek * c-attribs.c (c_common_attribute_table): Add "omp declare target implicit" attribute. 2018-07-12 Richard Biener PR c/86453 * c-attribs.c (handle_packed_attribute): Do not build a variant type with TYPE_PACKED, instead ignore the attribute if we may not apply to the original type. 2018-07-10 Jakub Jelinek PR c++/86443 * c-omp.c (c_omp_check_loop_iv_r, c_omp_check_loop_iv): Allow declv to contain TREE_LIST for both the original class iterator and the "last" helper var. 2018-07-07 Eric Botcazou * c-ada-spec.c (to_ada_name): Remove index parameter. (pp_ada_tree_identifier): Likewise. (dump_ada_macros): Adjust call to to_ada_name. (struct overloaded_name_hash): Delete. (struct overloaded_name_hasher): Likewise. (overloaded_names): Likewise. (compute_overloading_index): Likewise. (dump_ada_decl_name): Do not call compute_overloading_index and adjust calls to pp_ada_tree_identifier. (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier. (dump_ada_import): Add spc parameter and switch to aspect syntax. (dump_ada_function_declaration): Adjust call to pp_ada_tree_identifier. (dump_ada_enum_type): Remove type and display_convention parameters. Adjust calls to pp_ada_tree_identifier. (dump_ada_node): Likewise and for dump_ada_structure. (dump_nested_type) : Adjust call to dump_ada_enum_type and tidy up. : Adjust call to dump_ada_structure and switch to aspect syntax. (print_constructor): Adjust call to pp_ada_tree_identifier. (print_destructor): Likewise. (dump_ada_declaration): Switch to aspect syntax. (dump_ada_structure): Likewise and tidy up. Replace display_convention parameter with nested parameter. (dump_ads): Emit pragma Ada_2012 in lieu of pragma Ada_2005. (dump_ada_specs): Do not delete overloaded_names table. 2018-07-06 Peter Bergner PR target/86324 * c-attribs.c (handle_mode_attribute): Call translate_mode_attribute target hook. 2018-07-05 Nathan Sidwell * c-lex.c (fe_file_change): Check SYSTEM_IMPLICIT_EXTERN_C not NO_IMPLICIT_EXTERN_C. 2018-06-28 Martin Liska * cppspec.c: Include opt-suggestions.h. 2018-06-20 Chung-Lin Tang Thomas Schwinge Cesar Philippidis * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_{FINALIZE,IF_PRESENT}. Remove PRAGMA_OACC_CLAUSE_PRESENT_OR_{COPY,COPYIN,COPYOUT,CREATE}. 2018-06-20 Jakub Jelinek PR c++/86210 * c-common.c (check_nonnull_arg): Use fold_for_warn. Adjust obsolete comment. 2018-06-18 Martin Sebor PR middle-end/85602 * c-warn.c (sizeof_pointer_memaccess_warning): Check for attribute nonstring. 2018-06-16 Kugan Vivekanandarajah * c-common.c (c_common_truthvalue_conversion): Handle ABSU_EXPR. 2018-06-13 Jason Merrill * c-opts.c (c_common_post_options): Warn about useless -Wabi. (c_common_handle_option) [OPT_Wabi_]: Remove flag_abi_compat_version handling. PR c++/86094 - wrong code with defaulted move ctor. * c-opts.c (c_common_post_options): Bump the current ABI version to 13. Set warn_abi_version and flag_abi_compat_version to the current version rather than 0. Fix defaulting flag_abi_compat_version from warn_abi_version. 2018-06-12 Martin Sebor PR c/85931 * c-warn.c (sizeof_pointer_memaccess_warning): Avoid warning when sizeof source and destination yields the same value. 2018-06-12 Martin Liska * c.opt: Make MPX-related options as Deprecated. 2018-06-08 David Malcolm * c-pretty-print.c (c_pretty_printer::statement): Use TDF_NONE rather than 0. 2018-06-08 Martin Liska * c-attribs.c (handle_bnd_variable_size_attribute): Remove support for MPX (macros, related functions, fields in cgraph_node, ...). (handle_bnd_legacy): Likewise. (handle_bnd_instrument): Likewise. * c.opt: Likewise. 2018-06-06 Jakub Jelinek PR c++/86068 * c-cppbuiltin.c (c_cpp_builtins): Fix a typo, set __cpp_transactional_memory to 201500 instead of 210500. 2018-06-06 Jason Merrill PR c++/85710 - ICE with -Wmemset-elt-size. * c-warn.c (warn_for_memset): Don't crash on incomplete element type. 2018-06-01 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_deduction_guides to 201703. 2018-06-01 Eric Botcazou * c-ada-spec.c (dump_ada_declaration) : Generate a forward declaration for a typedef independently of whether the declaration of the subtype is generated. 2018-05-31 Martin Sebor PR c/82063 * c.opt (-Wno-alloc-size-larger-than): New option. 2018-04-22 David Pagan PR c/55976 * c-opts.c (c_common_post_options): Set default for warn_return_type for C++/C++ with ObjC extensions only. For C, makes it possible to differentiate between default (no option), -Wreturn-type, and -Wno-return-type. 2018-05-29 Jason Merrill * c.opt (Winit-list-lifetime): New flag. 2018-05-28 Bernd Edlinger * c-lex.c (get_fileinfo): Use splay_tree_compare_strings and splay_tree_delete_pointers. 2018-05-26 Jakub Jelinek PR bootstrap/85921 * c-warn.c (diagnose_mismatched_attributes): Remove unnecessary noinline variable to workaround broken kernel headers. 2018-05-18 Jason Merrill * c.opt (Wdeprecated-copy): New flag. 2018-05-17 Martin Liska * c-warn.c (overflow_warning): Do not use space in between 'G_' and '('. 2018-05-09 Jason Merrill * c-common.c (valid_array_size_p): Add complain parameter. * c-common.h: ...which defaults to true. 2018-05-11 Jakub Jelinek PR c/85696 * c-omp.c (c_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for artificial vars with integral type. 2018-05-11 Martin Liska PR sanitizer/85556 * c-attribs.c (handle_no_sanitize_attribute): Iterate all TREE_LIST values. 2018-05-10 Jakub Jelinek PR c++/85662 * c-common.h (fold_offsetof_1): Removed. (fold_offsetof): Add TYPE argument defaulted to size_type_node and CTX argument defaulted to ERROR_MARK. * c-common.c (fold_offsetof_1): Renamed to ... (fold_offsetof): ... this. Remove wrapper function. Add TYPE argument, convert the pointer constant to TYPE and use size_binop with PLUS_EXPR instead of fold_build_pointer_plus if type is not a pointer type. Adjust recursive calls. 2018-05-10 Eric Botcazou PR c++/85400 * c-attribs.c (handle_visibility_attribute): Do not set no_add_attrs. 2018-05-07 Nathan Sidwell * c.opt (ffor-scope): Remove functionality, issue warning. 2018-05-03 Nathan Sidwell * c.opt (ffriend-injection): Remove functionality, issue warning. 2018-05-01 David Malcolm PR c/84258 * c-format.c (struct format_check_results): Add field "number_non_char". (check_format_info): Initialize it, and warn if encountered. (check_format_arg): Distinguish between wide char and everything else when detecting arrays of non-char. 2018-04-30 David Malcolm * c-format.c (get_corrected_substring): Update for location_get_source_line returning a char_span. Use a char_span when handling the prefix of the correction. * c-indentation.c (get_visual_column): Update for location_get_source_line returning a char_span. (get_first_nws_vis_column): Likewise. 2018-03-29 David Malcolm PR c++/84269 * known-headers.cc (get_stdlib_header_for_name): Add various names from , , and ; add more names from . 2018-03-27 Jakub Jelinek PR c++/85061 * c-common.c (fold_offsetof_1) : Assert that get_base_address of the second operand is a VAR_P, rather than the operand itself, and use gcc_checking_assert instead of gcc_assert. 2018-03-23 Marek Polacek PR c++/85045 * c-pretty-print.c (c_pretty_printer::multiplicative_expression) : Tweak condition. 2018-03-20 Eric Botcazou * c-ada-spec.c (pp_ada_tree_identifier): Deal specifically with _Bool. 2018-03-16 Jakub Jelinek PR c/84909 * c-warn.c (conversion_warning): Replace "to to" with "to" in diagnostics. PR c/84910 * c-warn.c (diagnose_mismatched_attributes): Remove trailing space from diagnostics. 2018-03-16 Richard Biener PR c/84873 * c-gimplify.c (c_gimplify_expr): Revert previous change. Instead unshare the possibly folded expression. 2018-03-15 Richard Biener PR c/84873 * c-gimplify.c (c_gimplify_expr): Do not fold expressions. 2018-03-13 Martin Sebor PR tree-optimization/84725 * c-attribs.c (handle_nonstring_attribute): Allow attribute nonstring with all three narrow character types, including their qualified forms. 2018-03-12 Martin Sebor PR tree-optimization/83456 * c-common.c (check_function_restrict): Return bool. Restore checking of bounded built-in functions. (check_function_arguments): Also return the result of warn_for_restrict. * c-common.c (check_function_restrict): Return bool. * c-warn.c (warn_for_restrict): Return bool. 2018-03-02 Marek Polacek PR c++/84171 * c-warn.c (warn_for_sign_compare): Bail out if any of the operands is erroneous. 2018-03-02 Thomas Schwinge * c-attribs.c (c_common_attribute_table): Remove "cilk simd function". 2018-03-01 Marek Polacek PR c++/84639 * c-attribs.c (common_handle_aligned_attribute): Don't use invalid alignment in computation. 2018-02-28 Eric Botcazou * c-ada-spec.c (dump_ada_node) : New case. : Deal specifically with _Float128/__float128. 2018-02-28 Eric Botcazou * c-ada-spec.c (dump_ada_double_name) : New case. (is_char_array): Take a type instead of a declaration. (dump_ada_array_type): Likewise. (is_simple_enum): Minor tweak. (dump_ada_enum_type): New function extracted from... (dump_ada_node) : ...here. Invoke it. : Remove unreachable code. : Likewise. Minor tweaks. (dump_nested_type) : Adjust to above changes. : New case. : Factor out common code. (dump_ada_declaration) : Adjust to above changes. Minor tweaks. Deal with enumeral types. (dump_ada_structure): Minor tweaks. 2018-02-28 Eric Botcazou * c-ada-spec.c (dump_ada_node) : Do not use generic address for incomplete structures. (dump_forward_type): Do not bail out for incomplete structures. (dump_ada_declaration): Do not special-case incomplete structures for subtypes. Dump them as null records for types. 2018-02-28 Eric Botcazou * c-ada-spec.c (dump_ada_import): Use boolean and fix formatting. (is_char_array): Fix formatting. (dump_template_types): Likewise. (dump_generic_ada_node): Rename into... (dump_ada_node): ...this. : Remove superfluous space. Use generic address for incomplete structures and not for empty structures. Do not use it when forward declarations are needed. (dump_forward_type): New function. (dump_nested_types): Remove FORWARD parameter. Do not consider TREE_VISITED and do not generate a forward declaration. Only dump original nested types for nested declaration. (dump_nested_type) : Call dump_forward_type. : Likewise if the component type is an anonymous pointer. : Do not consider TREE_VISITED. (dump_ada_declaration): Use booleans and fix formatting throughout. : Skip incomplete structures and not empty structures. Call dump_forward_type instead of dump_nested_types for a typedef. Remove superfluous check and adjust call to dump_nested_types. : Call dump_forward_type and fall through. (dump_ada_struct_decl): Rename into... (dump_ada_structure): ...this. Do not special-case empty structures. 2018-02-27 Martin Sebor PR c++/83871 * c.opt (-Wmissing-attributes): New option. 2018-02-21 Martin Liska * c.opt (Wcatch-value=): Add IntegerRange. 2018-02-15 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides. 2018-02-09 Nathan Sidwell PR c/84293 * c-common.h (strict_aliasing_warning): Drop OTYPE arg, insert LOC arg. * c-warn.c (strict_aliasing_warning): Drop OTYPE arg, require LOC arg. Adjust. 2018-02-09 Martin Sebor PR lto/84212 * c.opt (-Wstringop-overflow, -Warray-bounds): Add LTO. (-Walloc-size-larger-than, -Wformat-truncation=): Same. (-Wmaybe-uninitialized, -Wnonnull, -Wrestrict): Same. (-Wstrict-overflow, -Wsuggest-attribute): Same. (-Wuninitialized): Same. 2018-02-09 Eric Botcazou * c-ada-spec.c (dump_ada_declaration): Do not generate the 'constant' keyword for components. 2018-02-02 Paolo Carlini * c-common.h (DECL_UNNAMED_BIT_FIELD): New. 2018-02-02 Julia Koval * c-common.h (omp_clause_mask): Move to wide_int_bitmask.h. 2018-01-29 Marek Polacek PR c/83966 * c-format.c (check_function_format): Check current_function_decl. 2018-01-27 Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtins): Use ggc_strdup for the fp_suffix argument. (LAZY_HEX_FP_VALUES_CNT): Define. (lazy_hex_fp_values): Allow up to LAZY_HEX_FP_VALUES_CNT lazy hex fp values rather than just 12. (builtin_define_with_hex_fp_value): Likewise. 2018-01-18 Boris Kolpackov PR other/70268 * c.opt (-fmacro-prefix-map): New option. * c-opts.c (c_common_handle_option): Handle it. * c-lex.c (init_c_lex): Set remap_filename cpp callback. * c-ppoutput.c (init_pp_output): Likewise. 2018-01-17 David Malcolm PR c++/83814 * c-common.c (fold_for_warn): Move to c/c-fold.c and cp/expr.c. 2018-01-10 Eric Botcazou * c-ada-spec.c (dump_number): Add FLOAT_P parameter. Skip 'f' and 'F' characters if it is true. (store_ada_macro): Minor tweak. (dump_ada_macros) : Likewise. : Likewise. : Output '&' in the buffer if not the first string. : Adjust calls to dump_number. 2018-01-10 David Malcolm PR c++/43486 * c-common.c: Include "selftest.h". (get_atomic_generic_size): Perform the test for integral type before the range test for any integer constant, fixing indentation of braces. Call fold_for_warn before testing for an INTEGER_CST. (reject_gcc_builtin): Strip any location wrapper from EXPR. (selftest::test_fold_for_warn): New function. (selftest::c_common_c_tests): New function. (selftest::c_family_tests): Call it, and selftest::c_pretty_print_c_tests. * c-common.h (selftest::c_pretty_print_c_tests): New decl. * c-format.c (check_format_arg): Convert VAR_P check to a fold_for_warn. * c-pretty-print.c: Include "selftest.h". (pp_c_cast_expression): Don't print casts for location wrappers. (selftest::assert_c_pretty_printer_output): New function. (ASSERT_C_PRETTY_PRINTER_OUTPUT): New macro. (selftest::test_location_wrappers): New function. (selftest::c_pretty_print_c_tests): New function. * c-warn.c (warn_for_memset): Call fold_for_warn on the arguments. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * c-common.c (c_common_type_for_mode): Handle MODE_VECTOR_BOOL. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * c-ubsan.c (ubsan_instrument_shift): Treat GET_MODE_BITSIZE as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * c-common.c (vector_types_convertible_p, c_build_vec_perm_expr) (convert_vector_to_array_for_subscript): Handle polynomial TYPE_VECTOR_SUBPARTS. (c_common_type_for_mode): Check valid_vector_subparts_p. * c-pretty-print.c (pp_c_initializer_list): Handle polynomial VECTOR_CST_NELTS. 2018-01-03 Jakub Jelinek Update copyright years. 2017-12-22 Mike Stump Eric Botcazou * c-pragma.c (init_pragma): Register pragma GCC unroll. * c-pragma.h (enum pragma_kind): Add PRAGMA_UNROLL. 2017-12-22 Alexandre Oliva PR debug/83527 PR debug/83419 * c-semantics.c (only_debug_stmts_after_p): New. (pop_stmt_list): Clear side effects in debug-only stmt list. Check for single nondebug stmt followed by debug stmts only. 2017-12-21 Alexandre Oliva PR debug/83419 * c-semantics.c (pop_stmt_list): Propagate side effects from single nondebug stmt to container list. 2017-12-19 Jakub Jelinek * known-headers.cc (get_stdlib_header_for_name): Replace Yoda conditions with typical order conditions. 2017-12-18 Marek Polacek * c-warn.c (warn_logical_operator): Return early if -Wlogical-op is not in effect. 2017-12-17 Martin Sebor * c-attribs.c (common_handle_aligned_attribute): Avoid issuing an error for attribute warn_if_not_aligned. 2017-12-16 Martin Sebor PR tree-optimization/78918 * c-common.c (check_function_restrict): Avoid checking built-ins. * c.opt (-Wrestrict): Include in -Wall. 2017-12-15 Jakub Jelinek * c-attribs.c (c_common_attribute_table, c_common_format_attribute_table): Swap affects_type_identity and handler fields, adjust comments. 2017-12-14 Bernd Edlinger * c.opt (Wcast-function-type): New warning option. * c-lex.c (get_fileinfo): Avoid warning. * c-ppoutput.c (scan_translation_unit_directives_only): Remove cast. 2017-12-14 Qing Zhao PR middle_end/79538 * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Adjust the size of buf1 and buf2, add a new buf to avoid format-overflow warning. 2017-12-12 Alexandre Oliva * c-semantics.c (pop_stmt_list): Move begin stmt marker into subsequent statement list. 2017-12-07 Martin Sebor PR c/81544 PR c/81566 * c-attribs.c (attr_aligned_exclusions): New array. (attr_alloc_exclusions, attr_cold_hot_exclusions): Same. (attr_common_exclusions, attr_const_pure_exclusions): Same. (attr_gnu_inline_exclusions, attr_inline_exclusions): Same. (attr_noreturn_exclusions, attr_returns_twice_exclusions): Same. (attr_warn_unused_result_exclusions): Same. (handle_hot_attribute, handle_cold_attribute): Simplify. (handle_const_attribute): Warn on function returning void. (handle_pure_attribute): Same. (handle_aligned_attribute): Diagnose conflicting attribute specifications. * c-warn.c (diagnose_mismatched_attributes): Simplify. 2017-12-06 David Malcolm PR c/83236 * c-common.c (selftest::c_family_tests): Call selftest::c_spellcheck_cc_tests. * c-common.h (selftest::c_spellcheck_cc_tests): New decl. * c-spellcheck.cc: Include "selftest.h". (name_reserved_for_implementation_p): New function. (should_suggest_as_macro_p): New function. (find_closest_macro_cpp_cb): Move the check for NT_MACRO to should_suggest_as_macro_p and call it. (selftest::test_name_reserved_for_implementation_p): New function. (selftest::c_spellcheck_cc_tests): New function. * c-spellcheck.h (name_reserved_for_implementation_p): New decl. 2017-12-06 David Malcolm * c-spellcheck.cc: New file, taken from macro-handling code in spellcheck-tree.c. * c-spellcheck.h: New file, taken from macro-handling code in spellcheck-tree.h. 2017-12-01 Jakub Jelinek * c-attribs.c (c_common_attribute_table): Remove "cilk simd function" attribute. (handle_simd_attribute): Don't check for "cilk simd function" attribute. Reindent, formatting changes. 2017-11-30 Julia Koval * c-common.h (inv_list): Remove. 2017-11-28 Jakub Jelinek PR sanitizer/81275 * c-common.c (c_switch_covers_all_cases_p_1, c_switch_covers_all_cases_p): New functions. * c-common.h (c_switch_covers_all_cases_p): Declare. 2017-11-28 Julia Koval Sebastian Peryt * array-notation-common.c: Delete. * c-cilkplus.c: Ditto. * c-common.c (_Cilk_spawn, _Cilk_sync, _Cilk_for): Remove. * c-common.def (ARRAY_NOTATION_REF): Remove. * c-common.h (RID_CILK_SPAWN, build_array_notation_expr, build_array_notation_ref, C_ORT_CILK, c_check_cilk_loop, c_validate_cilk_plus_loop, cilkplus_an_parts, cilk_ignorable_spawn_rhs_op, cilk_recognize_spawn): Remove. * c-gimplify.c (CILK_SPAWN_STMT): Remove. * c-omp.c: Remove CILK_SIMD check. * c-pragma.c: Ditto. * c-pragma.h: Remove CILK related pragmas. * c-pretty-print.c (c_pretty_printer::postfix_expression): Remove ARRAY_NOTATION_REF condition. (c_pretty_printer::expression): Ditto. * c.opt (fcilkplus): Remove. * cilk.c: Delete. 2017-11-21 Marc Glisse * c-pretty-print.c (pp_c_additive_expression, c_pretty_printer::expression): Handle POINTER_DIFF_EXPR. 2017-11-21 Jakub Jelinek * c-common.c (get_nonnull_operand): Use tree_to_uhwi. PR c++/83059 * c-common.c (get_atomic_generic_size): Use TREE_INT_CST_LOW instead of tree_to_uhwi, formatting fix. 2017-11-20 David Malcolm PR c/81404 * known-headers.cc: New file, based on material from c/c-decl.c. (suggest_missing_header): Copied as-is. (get_stdlib_header_for_name): New, based on get_c_name_hint but heavily edited to add C++ support. Add some knowledge about , , and . * known-headers.h: Likewise. 2017-11-20 David Malcolm * c-common.h (enum lookup_name_fuzzy_kind): Move to name-hint.h. (lookup_name_fuzzy): Likewise. Convert return type from const char * to name_hint. Add location_t param. * name-hint.h: New header. 2017-11-19 Jakub Jelinek PR c/66618 PR c/69960 * c-common.h (c_fully_fold): Add LVAL argument defaulted to false. 2017-11-16 Joseph Myers * c.opt (-std=c17, std=gnu17, -std=iso9899:2017): Refer to 2018 expected publication date of C17. (-std=c18, -std=gnu18, -std=iso9899:2018): New option aliases. 2017-11-15 Joseph Myers PR c/81156 * c-common.c (c_common_reswords): Add __builtin_tgmath. * c-common.h (enum rid): Add RID_BUILTIN_TGMATH. 2017-11-10 Martin Sebor PR c/81117 * c-common.c (catenate_strings): Use memcpy instead of strncpy. * c-warn.c (sizeof_pointer_memaccess_warning): Handle arrays. * c.opt (-Wstringop-truncation): New option. 2017-11-06 Martin Liska PR middle-end/82404 * c-opts.c (c_common_post_options): Set -Wreturn-type for C++ FE. * c.opt: Set default value of warn_return_type. 2017-10-31 David Malcolm * c-common.c (binary_op_error): Update for renaming of error_at_rich_loc. (c_parse_error): Likewise. * c-warn.c (warn_logical_not_parentheses): Likewise for renaming of inform_at_rich_loc. (warn_for_restrict): Likewise for renaming of warning_at_rich_loc_n. 2017-10-30 Joseph Myers * c.opt (std=c17, std=gnu17, std=iso9899:2017): New options. * c-opts.c (set_std_c17): New function. (c_common_init_options): Use gnu17 as default C version. (c_common_handle_option): Handle -std=c17 and -std=gnu17. 2017-10-27 Michael Meissner * c-cppbuiltin.c (mode_has_fma): Add support for PowerPC KFmode. (c_cpp_builtins): If a machine has a fast fma _Float and _FloatX variant, define __FP_FAST_FMA and/or __FP_FAST_FMAX. 2017-10-23 Marek Polacek PR c/82681 * c-warn.c (warnings_for_convert_and_check): Fix typos. 2017-10-19 Eric Botcazou * c-common.c (check_builtin_function_arguments): Also check arguments of __builtin_alloca_with_align_and_max. 2017-10-17 David Malcolm * c-format.c (format_warning_at_char): Pass UNKNOWN_LOCATION rather than NULL to format_warning_va. (check_format_types): Likewise when calling format_type_warning. Remove code to extract source_ranges and source_range * in favor of just a location_t. (format_type_warning): Convert source_range * param to a location_t. 2017-10-13 Jakub Jelinek * c-gimplify.c (c_gimplify_expr): Handle [LR]ROTATE_EXPR like [LR]SHIFT_EXPR. 2017-10-12 David Malcolm * c-common.c (enum missing_token_insertion_kind): New enum. (get_missing_token_insertion_kind): New function. (maybe_suggest_missing_token_insertion): New function. * c-common.h (maybe_suggest_missing_token_insertion): New decl. 2017-10-11 Nathan Sidwell * c-opts.c (add_prefixed_path): Change chain to incpath_kind. (c_common_handle_option): Update incpath_kind names. 2017-10-11 Martin Liska PR sanitizer/82490 * c-attribs.c (handle_no_sanitize_attribute): Report directly Wattributes warning. 2017-10-10 Richard Sandiford * c-ada-spec.c (dump_generic_ada_node): Use wi::to_wide when operating on trees as wide_ints. * c-common.c (pointer_int_sum): Likewise. * c-pretty-print.c (pp_c_integer_constant): Likewise. * c-warn.c (match_case_to_enum_1): Likewise. (c_do_switch_warnings): Likewise. (maybe_warn_shift_overflow): Likewise. 2017-10-10 Jakub Jelinek PR c/82437 * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_wide instead of wide_int::from. 2017-10-06 Jakub Jelinek PR c/82437 * c-warn.c (warn_tautological_bitwise_comparison): Instead of using to_widest use wide_int with the larger of the two precisions. 2017-10-05 Bernd Edlinger * c-pretty-print.c (pp_c_parameter_type_list): Print ... for variadic functions. 2017-10-02 Richard Sandiford * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_widest when combining the original unconverted comparison operands. 2017-09-29 Jakub Jelinek * c-attribs.c (handle_noipa_attribute): Don't add "stack_protect" attribute. 2017-09-29 Eric Botcazou * c-ada-spec.c (to_ada_name): Add index parameter. (pp_ada_tree_identifier): Likewise. (dump_ada_macros): Adjust call to to_ada_name. (struct overloaded_name_hash): New type. (struct overloaded_name_hasher): Likewise. (overloaded_names): New hash table. (compute_overloading_index): New function. (dump_ada_decl_name): Call it and pass the result to pp_ada_tree_identifier. (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier. (dump_ada_function_declaration): Likewise. (dump_generic_ada_node): Likewise. (print_constructor): Likewise. (print_destructor): Likewise. (dump_ada_specs): Delete overloaded_names table. 2017-09-29 Eric Botcazou * c-ada-spec.c (max_ada_macros): Move around. (store_ada_macro_index): Likewise. (source_file): Rename into... (macro_source_file): ...this. (count_ada_macro): Move around. (store_ada_macro): Likewise. (compare_macro): Likewise. (print_ada_macros): Merge in... (dump_ada_macros): ...this. (source_file_base): Rename into... (current_source_file): ...this. (print_comment): Move around. (dump_ada_nodes): Call dump_ada_declaration directly. (struct with): Change type of limited field to bool. (append_withs): Change type of limited_access parameter to bool. (pp_ada_tree_identifie): Likewise. (dump_ada_decl_nam): Likewise. (dump_generic_ada_node): Likewise. Do not print the return type. (to_ada_name): Change type of space_found parameter to bool. (dump_ada_function_declaration): Return void and change type of parameters to bool. Also print the return type for a function. (print_ada_methods): Rename into... (dump_ada_methods): ...this. (print_ada_declaration): Rename into ... (dump_ada_declaration): ...this. Do not print the return type. (print_ada_struct_decl): Rename into... (dump_ada_struct_decl): ...this. 2017-09-29 Jakub Jelinek * c-attribs.c (handle_packed_attribute): Test DECL_C_BIT_FIELD rather than DECL_INITIAL. (common_handle_aligned_attribute): Likewise. 2017-09-20 Alexandre Oliva * c.opt (gen-decls): Add RejectNegative. 2017-09-15 Andrew Sutton Jakub Jelinek Add support for -std=c++2a. * c-common.h (cxx_dialect): Add cxx2a as a dialect. * opt.c: Add options for -std=c++2a and -std=gnu++2a. * c-opts.c (set_std_cxx2a): New. (c_common_handle_option): Set options when -std=c++2a is enabled. (c_common_post_options): Adjust comments. (set_std_cxx14, set_std_cxx17): Likewise. 2017-09-15 Eric Botcazou * c-pragma.c (handle_pragma_scalar_storage_order): Expand on error message for non-uniform endianness and issue a warning in C++. 2017-09-15 Jakub Jelinek * c.opt (Wc++1z-compat): Change from option to undocumented alias. (Wc++17-compat): Change from undocumented alias to option. (Wnoexcept-type): Enable by Wc++17-compat instead of Wc++1z-compat, change C++1z to C++17 in description. (std=c++1z, std=gnu++1z): Change from option to undocumented deprecated alias. (std=c++17, std=gnu++17): Change from undocumented alias to option. Adjust description. * c-common.h (enum cxx_dialect): Rename cxx1z to cxx17. * c-opts.c (set_std_cxx1z): Rename to ... (set_std_cxx17): ... this. (c_common_handle_option): Rename OPT_std_c__1z to OPT_std_c__17 and OPT_std_gnu__1z to OPT_std_gnu__17. Adjust set_std_cxx1z caller. (c_common_post_options): Use cxx17 instead of cxx1z. Adjust comments. 2017-09-12 H.J. Lu * c-attribs.c (common_handle_aligned_attribute): Don't warn function alignment if warn_if_not_aligned_p is true. 2017-09-12 Nathan Sidwell * c-common.c (field_decl_cmp, resort_data, resort_field_decl_cmp, resort_sorted_fields): Move to c/c-decl.c. * c-common.h (field_decl_cmp, resort_sorted_fields): Delete. (struct sorted_fields_type): Move to c/c-lang.h. 2017-09-09 Jonathan Wakely PR c++/81852 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_threadsafe_static_init. 2017-09-04 Marek Polacek PR c/81783 * c-warn.c (warn_tautological_bitwise_comparison): New function. (warn_tautological_cmp): Call it. 2017-09-01 Boris Kolpackov * c-opts.c (c_common_finish): Write dependency information even if there are errors. 2017-09-01 Jakub Jelinek PR c/81887 * c-pragma.c (omp_pragmas): Move "ordered" entry from here to ... (omp_pragmas_simd): ... here. * c-omp.c (c_finish_omp_ordered): If clauses isn't simd clause alone, create new clauses list containing just simd clause. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-attribs.c (vector_mode_valid_p) Fold GET_MODE_INNER call into scalar_mode_supported_p call. (handle_mode_attribute): Update call to scalar_mode_supported_p. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-common.c (c_common_fixed_point_type_for_size): Use opt_scalar_mode for the mode iterator. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-lex.c (interpret_fixed): Use SCALAR_TYPE_MODE. * c-common.c (c_build_vec_perm_expr): Likewise. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-common.c (c_common_type_for_mode): Use as_a . 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-attribs.c (handle_mode_attribute): Check for a scalar_int_mode before calling targetm.addr_space.valid_pointer_mode. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-cppbuiltin.c (c_cpp_builtins): Use opt_scalar_float_mode. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-common.c (c_common_fixed_point_type_for_size): Use new mode iterators. * c-cppbuiltin.c (c_cpp_builtins): Likewise. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-cppbuiltin.c (mode_has_fma): Prefix mode names with E_ in case statements. 2017-08-29 Martin Liska PR other/39851 * c-common.c (parse_optimize_options): Add argument to function call. * c-pragma.c (handle_pragma_diagnostic): Likewise. 2017-08-24 David Malcolm * c-lex.c (interpret_float): Use token location when building an EXCESS_PRECISION_EXPR. 2017-08-21 David Malcolm * c-common.c (check_function_arguments): Add "arglogs" param; pass it to check_function_format. * c-common.h (check_function_arguments): Add vec * param. (check_function_format): Likewise. * c-format.c (struct format_check_context): Add field "arglocs". (check_function_format): Add param "arglocs"; pass it to check_format_info. (check_format_info): Add param "arglocs"; use it to initialize new field of format_ctx. (check_format_arg): Pass format_ctx->arglocs to new param of check_format_info_main. (class argument_parser): New field "arglocs". (argument_parser::argument_parser): Add "arglocs_" param and use it to initialize new field. (argument_parser::check_argument_type): Pass new arglocs field to check_format_types. (check_format_info_main): Add param "arglocs", and use it when constructing arg_parser. (check_format_types): Add param "arglocs"; use it if non-NULL when !EXPR_HAS_LOCATION (cur_param) to get at location information. 2017-08-18 H.J. Lu PR c/53037 * c-attribs.c (handle_warn_if_not_aligned_attribute): New. (c_common_attribute_table): Add warn_if_not_aligned. (handle_aligned_attribute): Renamed to ... (common_handle_aligned_attribute): Remove argument, name, and add argument, warn_if_not_aligned. Handle warn_if_not_aligned. (handle_aligned_attribute): New. * c.opt: Add -Wif-not-aligned and -Wpacked-not-aligned. 2017-08-14 Martin Sebor PR c/81117 * c-attribs.c (c_common_attribute_table): Add nonstring entry. (handle_nonstring_attribute): New function. 2017-08-14 Martin Sebor PR c/81117 * c-format.h (T89_G): New macro. * c-format.c (local_gcall_ptr_node): New variable. (init_dynamic_diag_info): Initialize it. 2017-08-11 Martin Liska * c-opts.c (c_common_post_options): Replace ASM_OUTPUT_DEF with TARGET_SUPPORTS_ALIASES. 2017-08-10 David Malcolm * c-common.c (c_parse_error): Add rich_location * param, using it rather implicitly using input_location. * c-common.h (c_parse_error): Add rich_location * param. 2017-08-09 Marek Polacek * c-common.c (pointer_int_sum): Use true/false instead of 1/0. (c_common_truthvalue_conversion): Likewise. * c-omp.c (c_finish_omp_atomic): Likewise. * c-common.h (build_binary_op): Update declaration. 2017-08-08 Martin Liska * c-ada-spec.c: Include header files. * c-ubsan.c: Likewise. * c-warn.c: Likewise. 2017-08-07 Jakub Jelinek PR c/69389 * c-omp.c (c_finish_omp_atomic): Handle atomics on bitfields. 2017-08-07 Eric Botcazou * c-ada-spec.c (has_nontrivial_methods): Test for FUNCTION_DECL. (print_ada_methods): Likewise. (print_ada_declaration): Likewise. 2017-08-07 Martin Liska * array-notation-common.c: Add new includes. * c-format.c( handle_format_attribute): Canonicalize a format function name. * c-lex.c (c_common_has_attribute): Canonicalize name of an attribute. * c-pretty-print.c: Add new include. 2017-08-05 Eric Botcazou * c-ada-spec.c (has_static_fields): Look only into variables. (print_constructor): Add TYPE parameter and use it for the name. (print_destructor): Likewise. (print_ada_declaration): Adjust to new constructor/destructor names. Adjust calls to print_constructor and print_destructor. (print_ada_struct_decl): Do not test TREE_STATIC on FIELD_DECL. Look only into variables in the final loop. 2017-08-01 Eric Botcazou * c-ada-spec.c (has_static_fields): Look only into fields. (dump_generic_ada_node): Small tweak. (dump_nested_types): Look only into fields. (print_ada_declaration): Look only into methods. Small tweak. (print_ada_struct_decl): Look only into fields. Use DECL_VIRTUAL_P. 2017-08-01 Eric Botcazou * c-ada-spec.c (print_generic_ada_decl): Pass correctly-typed constant. (dump_ada_function_declaration): Likewise. (dump_generic_ada_node): Likewise. (print_ada_declaration): Add support for const-qualified variables. 2017-07-31 Martin Liska PR sanitize/81530 * c-ubsan.c (ubsan_maybe_instrument_array_ref): Guard condition with flag_sanitize_p also with current_function_decl non-null equality. (ubsan_maybe_instrument_reference_or_call): Likewise. 2017-07-30 Uros Bizjak * c-format.c (asm_fprintf_char_table): Add 'z' to format_chars. 2017-07-29 Eric Botcazou * c-ada-spec.c (dump_generic_ada_node): Take into account signedness for enumeral types. (print_ada_declaration): Add missing guard for record types. 2017-07-27 Jakub Jelinek PR c/45784 * c-omp.c (c_finish_omp_for): If the condition is wrapped in rhs of COMPOUND_EXPR(s), skip them and readd their lhs into new COMPOUND_EXPRs around the rhs of the comparison. 2017-07-27 Marek Polacek PR c/81417 * c-warn.c (warn_for_sign_compare): Tweak the warning message. Print the types. 2017-07-27 Jakub Jelinek * c-attribs.c (c_common_attribute_table): Add noipa attribute. (handle_noipa_attribute): New function. 2017-07-07 Torsten Duwe * c-attribs.c (c_common_attribute_table): Add entry for "patchable_function_entry". 2017-07-20 Nathan Sidwell Remove TYPE_METHODS. * c-ada-spec.c (is_tagged_type, has_nontrivial_methods, dump_ada_template, print_ada_methods, print_ada_declaration): Member fns are on TYPE_FIELDS. 2017-07-18 Nathan Sidwell * c-warn.c (warn_for_memset): Use TYPE_{MIN,MAX}_VALUE. 2017-07-14 David Malcolm * c-common.c (try_to_locate_new_include_insertion_point): New function. (per_file_includes_t): New typedef. (added_includes_t): New typedef. (added_includes): New variable. (maybe_add_include_fixit): New function. * c-common.h (maybe_add_include_fixit): New decl. 2017-07-10 Martin Sebor PR other/81345 * c.opt (-Wstringop-overflow): Set defaults in LangEnabledBy. 2017-07-06 David Malcolm * c-common.c (selftest::c_family_tests): New. * c-common.h (selftest::run_c_tests): Move decl to c/c-lang.h. (selftest::c_family_tests): New decl. 2017-07-04 Marek Polacek PR c/81231 * c-common.c (sync_resolve_size): Give error for pointers to incomplete types. 2017-07-04 Marek Polacek * c-warn.c (warn_if_unused_value): Remove WITH_CLEANUP_EXPR handling. 2017-06-28 Martin Liska PR ipa/81128 * c-attribs.c (handle_alias_ifunc_attribute): Append ifunc alias to a function declaration. 2017-06-28 Martin Liska PR driver/79659 * c.opt: Add IntegerRange to various options. 2017-06-26 Marek Polacek PR c/80116 * c-common.h (warn_for_multistatement_macros): Declare. * c-warn.c: Include "c-family/c-indentation.h". (warn_for_multistatement_macros): New function. * c.opt (Wmultistatement-macros): New option. * c-indentation.c (guard_tinfo_to_string): No longer static. Change the parameter type to "enum rid". Handle RID_SWITCH. * c-indentation.h (guard_tinfo_to_string): Declare. 2017-06-23 Marc Glisse * c-common.c (c_common_nodes_and_builtins): Use builtin_structptr_types. 2017-06-15 Martin Sebor PR c++/80560 * c.opt (-Wclass-memaccess): New option. 2017-06-14 Boris Kolpackov * c-opts.c (c_common_finish): Handle '-' special value to -MF. 2017-06-13 Marek Polacek PR objc/80949 * c-warn.c (do_warn_duplicated_branches): Return if any of the branches is null. 2017-06-13 Martin Liska PR sanitize/78204 * c-attribs.c (add_no_sanitize_value): New function. (handle_no_sanitize_attribute): Likewise. (handle_no_sanitize_address_attribute): Use the function. (handle_no_sanitize_thread_attribute): New function. (handle_no_address_safety_analysis_attribute): Use add_no_sanitize_value. (handle_no_sanitize_undefined_attribute): Likewise. * c-common.h: Declare new functions. * c-ubsan.c (ubsan_instrument_division): Use sanitize_flags_p. (ubsan_instrument_shift): Likewise. (ubsan_instrument_bounds): Likewise. (ubsan_maybe_instrument_array_ref): Likewise. (ubsan_maybe_instrument_reference_or_call): Likewise. 2017-06-11 Jason Merrill * c-ada-spec.c, c-pragma.c: Use id_equal. 2017-06-04 Marek Polacek PR c/80919 * c-format.c (matching_type_p): Return false if any of the types requires structural equality. 2017-06-02 Martin Sebor PR c/80892 * c-warn.c (conversion_warning): Use -Wconversion for integer conversion and -Wfloat-conversion for floating one. 2017-06-02 Bernd Edlinger * c.opt (Wsizeof-pointer-div): New warning option. 2017-06-01 Volker Reichelt * c.opt (Wcatch-value): New shortcut for Wcatch-value=1. (Wcatch-value=1): Enable by -Wall. 2017-05-30 David Malcolm * c-format.c (gcc_cxxdiag_char_table): Add 'H' and 'I' to format_chars. * c.opt (fdiagnostics-show-template-tree): New option. (felide-type): New option. 2017-05-25 Volker Reichelt * c.opt (Wcatch-value=): New C++ warning flag. 2017-05-24 Nathan Sidwell * c=common.c (field_decl_cmp, resort_field_decl_cmp): Adjust T const casts to avoid warning. 2017-05-24 Martin Sebor PR c/80731 * c-common.h (unsafe_conversion_p): Add a function argument. * c-common.c (unsafe_conversion_p): Same. Add type names and values to diagnostics. (scalar_to_vector): Adjust. * c-warn.c (constant_expression_error): Add a function argument. Add type names and values to diagnostics. (conversion_warning): Add a function argument. Add type names and values to diagnostics. (warnings_for_convert_and_check): Same. 2017-05-19 Jason Merrill * c-warn.c (match_case_to_enum_1): Don't warn about enums with no enumerators. 2017-05-19 Bernd Edlinger * c-format.c (locus): Move out of function scope, add GTY attribute. 2017-05-19 Nathan Sidwell * c-opts.c (class_dump_file, class_dump_flags): Delete. (c_common_parse_file): Remove class dump handling. (get_dump_info): Likewise. 2017-05-19 Richard Biener PR c++/80593 * c-warn.c (strict_aliasing_warning): Do not warn for accesses to alias-set zero memory. 2017-05-18 Bernd Edlinger * c-format.c (local_tree_type_node): Add GTY attribute. 2017-05-18 Marek Polacek * c-common.c (c_common_type_for_size): Use NULL_TREE instead of 0. (c_common_fixed_point_type_for_size): Likewise. (c_common_type_for_mode): Likewise. (shorten_compare): Likewise. (c_promoting_integer_type_p): Use false/true instead of 0/1. * c-pragma.c (maybe_apply_renaming_pragma): Use NULL_TREE instead of 0. 2017-05-18 Marek Polacek * c-common.c (self_promoting_args_p): Change the return type to bool. Use false/true instead of 0/1. * c-common.h (self_promoting_args_p): Update. 2017-05-17 Marek Polacek * c-common.c: Use NULL_TREE instead of 0 where appropriate. * c-warn.c: Likewise. 2017-05-17 Ville Voutilainen Implement new C++ intrinsics __is_assignable and __is_constructible. * c-common.c (__is_assignable, __is_constructible): New. * c-common.h (RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE): Likewise. 2017-05-17 Martin Liska * c-common.h: Introduce dump_flags_t type and use it instead of int type. * c-gimplify.c (c_genericize): Likewise. * c-opts.c: Likewise. 2017-05-17 Marek Polacek * c-common.c (c_save_expr): Remove. (c_common_truthvalue_conversion): Remove a call to c_save_expr. * c-common.h (c_save_expr): Remove declaration. 2017-05-09 Volker Reichelt PR c/35441 * c-pretty-print.c (c_pretty_printer::expression): Handle MAX_EXPR, MIN_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, LROTATE_EXPR, RROTATE_EXPR. (c_pretty_printer::postfix_expression): Handle MAX_EXPR, MIN_EXPR. (c_pretty_printer::multiplicative_expression): Handle EXACT_DIV_EXPR, RDIV_EXPR. (pp_c_shift_expression): Handle LROTATE_EXPR, RROTATE_EXPR. 2017-05-09 Marek Polacek PR c/80525 * c-warn.c (unwrap_c_maybe_const): New. (warn_logical_operator): Call it. 2017-05-09 Nathan Sidwell * c-common.c (c_register_builtin_type): Use pushdecl lang_hook. * c-common.h (pushdecl_top_level, pushdecl): Don't declare here. 2017-05-08 Martin Sebor PR translation/80280 * c-format.h (struct format_flag_spec): Add new member. (T89_T): New macro. * c-format.c (local_tree_type_node): New global. (printf_flag_specs, asm_fprintf_flag_spec): Initialize new data. (gcc_diag_flag_specs, scanf_flag_specs, strftime_flag_specs): Ditto. (strfmon_flag_specs): Likewise. (gcc_diag_char_table, gcc_cdiag_char_table): Split up specifiers with distinct quoting properties. (gcc_tdiag_char_table, gcc_cxxdiag_char_table): Same. (flag_chars_t::validate): Add argument and handle bad quoting. (check_format_info_main): Handle quoting problems. (init_dynamic_diag_info): Simplify. 2017-05-08 Jason Merrill * c-opts.c (c_common_post_options): Update defaults for flag_abi_version and flag_abi_compat_version. 2017-05-05 David Malcolm * c-common.c (c_cpp_error): Replace report_diagnostic with diagnostic_report_diagnostic. 2017-05-04 Martin Sebor PR translation/80280 * c-attribs.c (handle_alias_ifunc_attribute): Quote a %D directive. (handle_weakref_attribute): Same. 2017-05-03 Nathan Sidwell Canonicalize canonical type hashing * c-common.c (complete_array_type): Use type_hash_canon. 2017-05-01 Xi Ruoyao PR c++/80038 * c-common.h (cilk_gimplify_call_params_in_spawned_fn): Remove prototype. (cilk_install_body_pedigree_operations): Likewise. * cilk.c (cilk_set_spawn_marker): Mark functions that should be detatched. (cilk_gimplify_call_params_in_spawned_fn): Remove. (cilk_install_body_pedigree_operations): Likewise. (gimplify_cilk_spawn): Add EXPR_STMT and CLEANUP_POINT_EXPR unwrapping. 2017-04-27 Jakub Jelinek PR c++/80534 * c-common.c (complete_array_type): Only hash TYPE_TYPELESS_STORAGE flag on non-aggregate element types. 2017-04-25 Bernd Edlinger * c-common.c (c_type_hasher, type_hash_table): Remove. (c_common_get_alias_set): Remove unreachable code. * c-opts.c (c_common_post_options): Make sure cc1 takes only one file. 2017-04-20 Volker Reichelt * c.opt (Wextra-semi): New C++ warning flag. 2017-04-20 Jakub Jelinek PR middle-end/80423 * c-common.c (complete_array_type): Preserve TYPE_TYPELESS_STORAGE. 2017-04-18 Jakub Jelinek PR middle-end/79788 PR middle-end/80375 * c-common.c (c_common_type_for_mode): Don't handle widest_*_literal_type_node here. c_common_signed_or_unsigned_type): Likewise. (c_common_nodes_and_builtins): Set widest_*_literal_type_node to *intTI_type_node or *intDI_type_node depending on whether TImode is supported by the target or not. 2017-04-10 Martin Liska PR sanitizer/80350 * c-ubsan.c (ubsan_instrument_shift): Evaluate RHS before doing an UBSAN check. 2017-04-03 Jonathan Wakely * c-warn.c (do_warn_double_promotion): Fix typo in comment. 2017-03-31 Jakub Jelinek PR c++/79572 * c-ubsan.h (ubsan_maybe_instrument_reference): Change argument to tree *. * c-ubsan.c (ubsan_maybe_instrument_reference): Likewise. Handle not just NOP_EXPR to REFERENCE_TYPE, but also INTEGER_CST with REFERENCE_TYPE. 2017-03-31 David Malcolm PR documentation/78732 * c.opt (Wendif-labels): Fix description to refer to #else rather than #elif. 2017-03-31 Jakub Jelinek PR libstdc++/80251 * c-common.h (enum rid): Add RID_IS_AGGREGATE. * c-common.c (c_common_reswords): Add __is_aggregate trait. 2017-03-27 Jakub Jelinek PR middle-end/80162 * c-common.c (c_common_mark_addressable_vec): Don't set TREE_ADDRESSABLE on DECL_HARD_REGISTER. 2017-03-21 Martin Sebor PR c++/79548 * c-common.c (set_underlying_type): Mark type used only when original del is declared unused. 2017-03-10 David Malcolm PR translation/79848 * c-format.c (check_format_string): Simplify uses of "%<%s%>" to "%qs". 2017-03-10 David Malcolm PR c/79921 * c-indentation.c (warn_for_misleading_indentation): Remove parens from inform's message, so that xgettext can locate it. 2017-03-09 Marek Polacek PR c++/79962 PR c++/79984 * c-attribs.c (handle_nonnull_attribute): Save the result of default conversion to the attribute list. 2017-03-09 Martin Liska * c-ada-spec.c (macro_length): Increment value instead of a pointer. 2017-03-03 Jason Merrill * c.opt (Wnoexcept-type): New. 2017-03-02 Richard Biener PR c/79756 * c-common.c (c_common_mark_addressable_vec): Look through C_MAYBE_CONST_EXPR. 2017-02-28 Martin Liska * c.opt: Replace space with tabular for options of type. 2017-02-28 Martin Liska * c.opt: Fix --help=option -Q for options which are of an enum type. 2017-02-24 Jakub Jelinek PR c++/79588 * c-common.c (check_function_restrict): New function. (check_function_arguments): Add FNDECL argument. Call check_function_restrict if -Wrestrict. * c-warn.c (warn_for_restrict): Remove ARGS argument, add ARGARRAY and NARGS. Use auto_vec for ARG_POSITIONS, simplify. * c-common.h (check_function_arguments): Add FNDECL argument. (warn_for_restrict): Remove ARGS argument, add ARGARRAY and NARGS. 2017-02-24 Eric Botcazou * c-ada-spec.c (dump_ada_function_declaration): Add comment about the treatment of parameters with pointer-to-tagged type and tidy up. (print_ada_methods): Remove the special treatment of C++ static member functions. 2017-02-22 Martin Liska * c.opt: Replace inequality signs with square brackets for -Wnornalized. 2017-02-21 Jakub Jelinek PR c++/79641 * c-attribs.c (handle_mode_attribute): Use build_qualified_type to preserve quals. 2017-02-17 Joseph Myers * c-cppbuiltin.c (builtin_define_float_constants): Define __DECIMAL_DIG__ to the value for long double. 2017-02-15 Marek Polacek PR c/79515 * c-warn.c (do_warn_double_promotion): Don't warn if an invalid conversion has occured. 2017-01-24 David Malcolm * c-common.c (c_common_reswords): Add "__RTL". * c-common.h (enum rid): Add RID_RTL. 2017-01-20 Marek Polacek PR c/64279 * c-common.h (do_warn_duplicated_branches_r): Declare. * c-gimplify.c (c_genericize): Walk the function tree calling do_warn_duplicated_branches_r. * c-warn.c (expr_from_macro_expansion_r): New. (do_warn_duplicated_branches): New. (do_warn_duplicated_branches_r): New. * c.opt (Wduplicated-branches): New option. 2017-01-17 David Malcolm PR c++/71497 * c-indentation.c (warn_for_misleading_indentation): Use the past subjunctive in the note. 2017-01-17 Aldy Hernandez PR c/79116 * array-notation-common.c (cilkplus_extract_an_triplets): Convert start type to integer_type. 2017-01-16 Jakub Jelinek PR driver/49726 * c.opt (gen-decls): Add Driver flag. 2017-01-16 Paolo Carlini Revert: 2017-01-16 Paolo Carlini PR c++/71737 * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE. 2017-01-16 Paolo Carlini PR c++/71737 * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE. 2017-01-12 Martin Sebor (-Wformat-overflow): ...to this. 2017-01-11 Martin Sebor PR c/78768 * c.opt (-Walloca-larger-than, -Wformat-length, -Wformat-truncation): Also enable for LTO. 2017-01-10 Jason Merrill Implement P0195R2, C++17 variadic using. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_variadic_using. 2017-01-09 Jakub Jelinek PR translation/79019 PR translation/79020 * c.opt (Wnormalized=): Fix typo in description. 2017-01-08 Martin Sebor PR middle-end/77708 * c.opt (-Wformat-truncation): New option. 2017-01-06 Alexandre Oliva * c-pretty-print.c (pp_c_tree_decl_identifier): Convert 16-bit value to unsigned short to fit in 4 hex digits without warnings. 2017-01-05 Eric Botcazou * c.opt (fsso-struct): Add 'native' value. 2017-01-05 Martin Liska PR pch/78970 * c-opts.c (c_common_post_options): Reject '-' filename for a precompiled header. 2017-01-04 Marek Polacek PR c++/64767 * c.opt (Wpointer-compare): New option. 2017-01-04 Jakub Jelinek PR driver/78957 * c.opt (fsso-struct=): Add RejectNegative. 2017-01-01 Jakub Jelinek Update copyright years. 2016-12-29 Martin Liska PR c/78933 * c.opt (strong-eval-order): Add RejectNegative keyword. 2016-12-22 Jason Merrill Implement P0522R0, matching of template template arguments. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_template_template_args. 2016-12-21 Jakub Jelinek PR bootstrap/78817 * c-common.c (struct nonnull_arg_ctx): New type. (check_function_nonnull): Return bool instead of void. Use nonnull_arg_ctx as context rather than just location_t. (check_nonnull_arg): Adjust for the new context type, set warned_p to true if a warning has been diagnosed. (check_function_arguments): Return bool instead of void. * c-common.h (check_function_arguments): Adjust prototype. 2016-12-21 Jason Merrill * c.opt (-fnew-ttp-matching): New flag. * c-opts.c (c_common_post_options): Default on if -std=c++1z. 2016-12-14 Martin Jambor * c-omp.c: Include omp-general.h instead of omp-low.h. (c_finish_oacc_wait): Adjusted call to find_omp_clause to use its new name. 2016-12-14 Martin Sebor PR c/17308 * c-common.c (check_nonnull_arg): Disable when optimization is enabled. 2016-12-12 Marek Polacek PR c++/78647 * c-common.c (attribute_fallthrough_p): Return false for error_mark_node. 2016-12-08 Martin Sebor PR c/78284 * c.opt (-Walloc-zero, -Walloc-size-larger-than): New options. 2016-12-08 Martin Sebor PR c/78165 * c-pretty-print (pp_c_integer_constant): Avoid formatting type suffix. 2016-12-07 Martin Sebor PR c/53562 PR middle-end/77784 PR middle-end/78149 PR middle-end/78138 * c.opt (-Wstringop-overflow): New option. 2016-12-02 Maxim Ostapenko * c-attribs.c (asan odr indicator): New attribute. (handle_asan_odr_indicator_attribute): New function. 2016-11-26 Prathamesh Kulkarni * c-common.c (c_common_nodes_and_builtins): Remove initialization of ptrdiff_type_node; 2016-11-23 James Greenhalgh * c-common.c (excess_precision_mode_join): New. (c_ts18661_flt_eval_method): New. (c_c11_flt_eval_method): Likewise. (c_flt_eval_method): Likewise. * c-common.h (excess_precision_mode_join): New. (c_flt_eval_method): Likewise. * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): New. (cpp_iec_559_value): Call it. (c_cpp_builtins): Modify logic for __LIBGCC_*_EXCESS_PRECISION__, call c_flt_eval_method to set __FLT_EVAL_METHOD__ and __FLT_EVAL_METHOD_TS_18661_3__. 2016-11-23 James Greenhalgh * c-opts.c (c_common_post_options): Add logic to handle the default case for -fpermitted-flt-eval-methods. 2016-11-23 Paolo Bonzini * c.opt (Wexpansion-to-defined): New. 2016-11-23 Jakub Jelinek PR target/78451 * c-pragma.c (handle_pragma_target): Don't replace current_target_pragma, but chainon the new args to the current one. 2016-11-22 Nathan Sidwell * array-notation-common.c (cilkplus_extract_an_trplets): Fix indentation and formatting. 2016-11-21 Martin Sebor * c.opt (-fprintf-return-value): Enable by default. 2016-11-21 Bernd Edlinger PR c++/71973 * c.opt (-Wbuiltin-declaration-mismatch): New warning. * c-common.c (c_common_nodes_and_builtins): Initialize const_tm_ptr_type_node. 2016-11-16 Marek Polacek PR c/78285 * c-common.c (c_add_case_label): Turn error_at calls into inform. 2016-11-14 Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_structured_bindings. 2016-11-14 Prasad Ghangal Richard Biener * c-common.h (c_common_resword): Add RID_GIMPLE, RID_PHI types. * c-common.h (enum rid): Add RID_GIMPLE, RID_PHI. * c.opt (fgimple): New option. 2016-11-13 Prathamesh Kulkarni PR c/35503 * c-common.h (warn_for_restrict): Declare. * c-warn.c: Include gcc-rich-location.h. (warn_for_restrict): New function. * c-format.c (gcc_tdiag_char_table): Add entry for "Z" specifier. (gcc_cdiag_char_table): Likewise. (gcc_cxxdiag_char_table): Likewise. * c.opt (Wrestrict): New option. 2016-11-13 Eric Botcazou * c-ada-spec.c (print_ada_declaration): For typedef declarations, look for nested types only if the type is a record or union and dump SLOC. 2016-11-09 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_template_auto. 2016-11-09 Jakub Jelinek * c-ubsan.c (ubsan_instrument_shift): Handle split -fsanitize=shift-base and -fsanitize=shift-exponent. 2016-11-07 Jason Merrill * c.opt (Wc++1z-compat): New. * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type. 2016-11-07 Martin Liska * c-warn.c (warn_for_unused_label): Save all labels used in goto or in &label. 2016-11-03 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Correct __cpp_inheriting_constructors. 2016-11-01 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_inheriting_constructors. * c.opt (-fnew-inheriting-ctors): New. * c-opts.c: Default to on for ABI 11+. 2016-10-31 Jakub Jelinek PR c++/77948 * c.opt (fext-numeric-literals): Add Var and Init. * c-opts.c (c_common_handle_option): Don't clear cpp_opts->ext_numeric_literals for -std=c++{11,14,1z}. (c_common_post_options): Clear it here if not set explicitly. 2016-10-28 Aldy Hernandez PR debug/77773 * c-pretty-print.c (simple_type_specifier): Do not dereference `t' if NULL. 2016-10-25 Jakub Jelinek * c-common.h (enum rid): Add RID_BUILTIN_LAUNDER. * c-common.c (c_common_reswords): Add __builtin_launder. 2016-10-24 Bernd Edlinger * c-common.c (c_common_truthvalue_conversion): Warn for multiplications in boolean context. Fix the quoting of '<<' and '<' in the shift warning. 2016-10-20 Bernd Edlinger * c-common.c (c_common_truthvalue_conversion): Fix the comment. 2016-10-20 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_concepts value. 2016-10-19 Bernd Edlinger * c-common.c (c_common_truthvalue_conversion): Warn only for signed integer shift ops in boolean context. 2016-10-18 Aldy Hernandez * c.opt (Walloca): New. (Walloca-larger-than=): New. (Wvla-larger-than=): New. 2016-10-17 Marek Polacek * c-warn.c (find_array_ref_with_const_idx_r): Remove parameter names. Return immediately when finding a match. (warn_tautological_cmp): Remove a boolean variable that is no longer needed. 2016-10-17 Marek Polacek * c-attribs.c: New file. * c-common.c: Move attributes handling to c-attribs.c. (get_nonnull_operand): No longer static. * c-common.h: Move the declarations from c-attribs.c to its own section. 2016-10-14 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_aggregate_bases and __cpp_deduction_guides. 2016-10-13 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_inline_variables. 2016-10-13 Thomas Preud'homme * c-cppbuiltin.c: Include memmodel.h. * c-opts.c: Likewise. * c-pragma.c: Likewise. * c-warn.c: Likewise. 2016-10-12 Jakub Jelinek * c.opt (Wextra): Add as C/C++/ObjC/ObjC++ option. (Wimplicit-fallthrough=): Enable for these languages by -Wextra. * c-opts.c (sanitize_cpp_opts): Initialize cpp_opts->cpp_warn_implicit_fallthrough. 2016-10-11 Marek Polacek * c-common.c (warning_candidate_p): Change the return type to bool and return true/false instead of 1/0. (vector_mode_valid_p): Likewise. 2016-10-11 Marek Polacek * c-common.c (fold_for_warn): No longer static. (bool_promoted_to_int_p): Likewise. (c_common_get_narrower): Likewise. (constant_expression_warning): Move to c-warn.c. (constant_expression_error): Likewise. (overflow_warning): Likewise. (warn_logical_operator): Likewise. (find_array_ref_with_const_idx_r): Likewise. (warn_tautological_cmp): Likewise. (expr_has_boolean_operands_p): Likewise. (warn_logical_not_parentheses): Likewise. (warn_if_unused_value): Likewise. (strict_aliasing_warning): Likewise. (sizeof_pointer_memaccess_warning): Likewise. (check_main_parameter_types): Likewise. (conversion_warning): Likewise. (warnings_for_convert_and_check): Likewise. (match_case_to_enum_1): Likewise. (match_case_to_enum): Likewise. (c_do_switch_warnings): Likewise. (warn_for_omitted_condop): Likewise. (readonly_error): Likewise. (lvalue_error): Likewise. (invalid_indirection_error): Likewise. (warn_array_subscript_with_type_char): Likewise. (warn_about_parentheses): Likewise. (warn_for_unused_label): Likewise. (warn_for_div_by_zero): Likewise. (warn_for_memset): Likewise. (warn_for_sign_compare): Likewise. (do_warn_double_promotion): Likewise. (do_warn_unused_parameter): Likewise. (record_locally_defined_typedef): Likewise. (maybe_record_typedef_use): Likewise. (maybe_warn_unused_local_typedefs): Likewise. (maybe_warn_bool_compare): Likewise. (maybe_warn_shift_overflow): Likewise. (warn_duplicated_cond_add_or_warn): Likewise. (diagnose_mismatched_attributes): Likewise. * c-common.h: Move the declarations from c-warn.c to its own section. * c-warn.c: New file. 2016-10-08 Jason Merrill * c-common.c (c_common_truthvalue_conversion): Don't distribute into COND_EXPR in C++. 2016-10-08 Jakub Jelinek * c-lex.c (c_lex_with_flags) : For CPP_COMMENT token with PREV_FALLTHROUGH, skip all following CPP_PADDING and CPP_COMMENT tokens and set add_flags to PREV_FALLTHROUGH afterwards. 2016-10-07 Jakub Jelinek Implement LWG2296 helper intrinsic * c-common.h (enum rid): Add RID_ADDRESSOF. * c-common.c (c_common_reswords): Add __builtin_addressof. 2016-10-07 Bernd Edlinger PR c++/77700 * c-common.c (c_common_truthvalue_conversion): Warn also for suspicious enum values in boolean context. 2016-10-06 Jakub Jelinek Implement P0258R2 - helper for C++17 std::has_unique_object_representations trait * c-common.h (enum rid): Add RID_HAS_UNIQUE_OBJ_REPRESENTATIONS. * c-common.c (c_common_reswords): Add __has_unique_object_representations. 2016-10-05 Jakub Jelinek PR sanitizer/66343 * c-ubsan.c (ubsan_instrument_return): Don't call initialize_sanitizer_builtins here. 2016-10-05 Bernd Edlinger * c-common.c (c_common_truthvalue_conversion): Warn also for suspicious conditional expression in boolean context when only one arm is non-boolean. 2016-10-05 Jakub Jelinek PR sanitizer/77823 * c-ubsan.c (ubsan_instrument_shift): Return NULL_TREE if type0 is not integral. * c-common.c (c_common_reswords): Update comment for C++11. 2016-10-04 Jason Merrill * c-common.c (make_tree_vector_from_ctor): New. * c-common.h: Declare it. 2016-10-04 Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtins): Don't define __LIBGCC_JCR_SECTION_NAME__. 2016-10-03 Bernd Edlinger * c-common.c (c_common_truthvalue_conversion): Warn for suspicious left shift in boolean context. 2016-09-29 Jakub Jelinek Implement P0001R1 - C++17 removal of register storage class specifier * c.opt (Wregister): New warning. * c-opts.c (c_common_post_options): Enable -Wregister by default for C++17. 2016-09-29 James Greenhalgh * c-opts.c (c_common_post_options): Remove special case for TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard in C++. 2016-09-27 Jakub Jelinek * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_capture_star_this for -std=c++1z. * c-ada-spec.c (print_ada_declaration): Remove break after return. 2016-09-26 Thomas Preud'homme * c-common.c: Include memmodel.h. 2016-09-26 Marek Polacek * c-lex.c (c_common_has_attribute): Handle attribute fallthrough. 2016-09-26 Marek Polacek PR c/7652 * c-common.c (c_common_attribute_table): Add fallthrough attribute. (handle_fallthrough_attribute): New function. (attribute_fallthrough_p): New function. * c-common.h (attribute_fallthrough_p): Declare. 2016-09-24 Marek Polacek PR c/77490 * c.opt (Wbool-operation): New. 2016-09-21 Bernd Edlinger * c-common.c (c_common_truthvalue_conversion): Inhibit Wint-in-bool-context warning with from_macro_definition_at. Mention the expression will always evaluate to true. 2016-09-21 Martin Sebor PR bootstrap/77676 * c.opt (fprintf-return-value): Temporarily initialize to zero to unblock bootstrap failures. 2016-09-21 Jakub Jelinek PR c++/77651 * c.opt (Waligned-new=): Add RejectNegative. (faligned-new=): Likewise. Spelling fix - change aligned_new_threshhold to aligned_new_threshold. * c-cppbuiltin.c (c_cpp_builtins): Change aligned_new_threshhold to aligned_new_threshold. 2016-09-20 Martin Sebor PR middle-end/49905 * c.opt: Add -Wformat-length and -fprintf-return-value. 2016-09-19 Bernd Edlinger PR c++/77434 * c.opt (Wint-in-bool-context): New warning. * c-common.c (c_common_truthvalue_conversion): Warn on integer constants in boolean context. 2016-09-19 Joseph Myers * c-common.c (max_align_t_align): Also consider alignment of float128_type_node. 2016-09-15 Jason Merrill * c-common.c (check_cxx_fundamental_alignment_constraints): Check DECL_EXTERNAL. 2016-09-14 Jason Merrill * c-common.c (check_cxx_fundamental_alignment_constraints): Don't limit FIELD_DECL, either. 2016-09-14 Marek Polacek * c-common.c (c_common_truthvalue_conversion): Use false instead of 0. * c-common.h (build_unary_op): Change nonconvert parameter type to bool. * c-omp.c (c_finish_omp_atomic): Use false instead of 0. 2016-09-13 David Malcolm * c-common.c (warn_logical_not_parentheses): Replace rich_location::add_fixit_insert calls with add_fixit_insert_before and add_fixit_insert_after, eliminating the "next_loc" calculation. 2016-09-13 Jason Merrill Tom de Vries PR c++/77427 * c-common.c (set_underlying_type): Don't treat array as builtin type. 2016-09-13 Jason Merrill * c-common.c (check_cxx_fundamental_alignment_constraints): Don't limit types at all. 2016-09-12 Jason Merrill * c-common.c (check_cxx_fundamental_alignment_constraints): Fix bit/byte confusion, allow large alignment for types. 2016-09-12 Bernd Edlinger PR c++/77496 * c-common.c (warn_for_omitted_condop): Also warn for boolean data. 2016-09-12 David Malcolm PR c/72858 * c-format.c (argument_parser::check_argument_type): Add params "type_start" and "conversion_char". Use the former to generate offset_to_type_start and pass it and conversion_char to check_format_types. (check_format_info_main): Capture the start of the type information as "type_start", and pass it an format_char to arg_parser.check_argument_type. (check_format_types): Provide an example in the leading comment. Add params "offset_to_type_start" and "conversion_char"; pass them to format_type_warning calls. (test_get_modifier_for_format_len): Likewise. (matching_type_p): New function. (get_format_for_type): Add param "conversion_char" and move implementation into... (get_format_for_type_1): ...new function, called twice. Use new function matching_type_p rather than checking for TYPE_CANONICAL equality. (get_corrected_substring): New function. (format_type_warning): Provide an example in the leading comment. Add params "offset_to_type_start" and "conversion_char". Replace call to get_format_for_type with call to get_corrected_substring and move rejection of hints for widths/precisions there. (assert_format_for_type_streq): Add param "conversion_char". (ASSERT_FORMAT_FOR_TYPE_STREQ): Add param CONVERSION_CHAR. (test_get_format_for_type_printf): Add conversion chars to the tests, adding coverage for various combinations of integer vs double conversions, and for preserving octal and hexadecimal conversions. (test_get_format_for_type_scanf): Add conversion chars to the tests. 2016-09-10 Tom de Vries PR C/71602 * c-common.c (build_va_arg): Handle more strict targetm.canonical_va_list_type. Replace first argument type error with assert. 2016-09-09 Martin Sebor PR c/77520 PR c/77521 * c-format.c (argument_parser::find_format_char_info): Use %qc format directive unconditionally. 2016-09-09 Jason Merrill Implement C++17 new of over-aligned types. * c.opt: Add -faligned-new and -Waligned-new. * c-common.c (max_align_t_align): Split out from... (cxx_fundamental_alignment_p): ...here. * c-common.h: Declare it. * c-cppbuiltin.c (c_cpp_builtins): Handle aligned new. 2016-09-09 Joseph Myers * c-cppbuiltin.c (builtin_define_type_width): New function. (builtin_define_stdint_macros, c_cpp_builtins): Define type width macros. 2016-09-07 David Malcolm * c-common.c (get_cpp_ttype_from_string_type): Handle being passed a POINTER_TYPE. (substring_loc::get_location): Move to substring-locations.c, keeping implementation as... (c_get_substring_location): New function, from the above, reworked to use accessors rather than member lookup. * c-common.h (class substring_loc): Move to substring-locations.h, replacing with a forward decl. (c_get_substring_location): New decl. * c-format.c: Include "substring-locations.h". (format_warning_va): Move to substring-locations.c. (format_warning_at_substring): Likewise. 2016-09-06 Martin Sebor PR c/77336 * c-format.c (check_function_format): Avoid issuing warnings for functions unless they call format functions with non-constant format strings. 2016-09-06 Richard Biener PR c/77450 * c-common.c (c_common_mark_addressable_vec): Handle COMPOUND_LITERAL_EXPR. 2016-09-05 Marek Polacek PR c/77423 * c-common.c (bool_promoted_to_int_p): New function. (expr_has_boolean_operands_p): New function. (warn_logical_not_parentheses): Return if expr_has_boolean_operands_p. (maybe_warn_bool_compare): Use bool_promoted_to_int_p. 2016-09-04 Tom de Vries revert: 2016-08-29 Tom de Vries * c-common.c (build_va_arg): Replace first argument type error with assert. 2016-09-02 Jakub Jelinek PR c/65467 * c-omp.c (c_finish_omp_atomic): Reject _Atomic qualified expressions. (c_finish_omp_for): Reject _Atomic qualified iterators. 2016-09-01 Martin Sebor * c-ada-spec.c (dump_ada_function_declaration): Increase buffer size to guarantee it fits the output of the formatted function regardless of its arguments. 2016-09-01 Marek Polacek PR c/7652 * c-common.c (resolve_overloaded_builtin): Fix formatting. Add FALLTHRU comments. 2016-08-29 Marek Polacek PR c/77292 * c-common.c (warn_logical_not_parentheses): Don't warn for a comparison or a logical operator. 2016-08-29 Tom de Vries * c-common.c (build_va_arg): Fix type comparison assert. 2016-08-29 Tom de Vries * c-common.c (build_va_arg): Replace first argument type error with assert. 2016-08-29 Tom de Vries PR c/77398 * c-common.c (build_va_arg): Add first argument error. Build va_arg with error_mark_node as va_list instead of with illegal va_list. 2016-08-25 Marek Polacek David Malcolm * c-common.c (warn_logical_not_parentheses): Print fixit hints. * c-common.h (warn_logical_not_parentheses): Update declaration. 2016-08-22 Marek Polacek PR c++/77321 * c-common.c (warn_for_memset): Check type for null. 2016-08-22 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Check _FloatN and _FloatNx types for suffixes for built-in functions. 2016-08-19 Joseph Myers PR c/32187 * c-common.h (RID_FLOAT16, RID_FLOATN_NX_FIRST, RID_FLOAT32) (RID_FLOAT64, RID_FLOAT128, RID_FLOAT32X, RID_FLOAT64X) (RID_FLOAT128X): New enum rid values. (CASE_RID_FLOATN_NX): New macro. * c-common.c (c_common_reswords): Add _FloatN and _FloatNx keywords. (c_common_type_for_mode): Check for _FloatN and _FloatNx and corresponding complex types. (c_common_nodes_and_builtins): For non-C++, register _FloatN and _FloatNx and corresponding complex types. (keyword_begins_type_specifier): Use CASE_RID_FLOATN_NX. * c-cppbuiltin.c (builtin_define_float_constants): Check _FloatN and _FloatNx types for the widest type for determining DECIMAL_DIG. Define __LDBL_DECIMAL_DIG__ as well as __DECIMAL_DIG__ for long double. Handle FMA_SUFFIX being NULL. (c_cpp_builtins): Call builtin_define_float_constants for _FloatN and _FloatNx types. * c-lex.c (interpret_float): Handle _FloatN and _FloatNx constants. * c-pretty-print.c (pp_c_floating_constant): Handle _FloatN and _FloatNx types. 2016-08-18 David Malcolm * c-opts.c (c_diagnostic_finalizer): Update for change to diagnostic_show_locus. 2016-08-18 David Malcolm * c-common.c: Include "spellcheck.h". (cb_get_suggestion): New function. * c-common.h (cb_get_suggestion): New decl. * c-lex.c (init_c_lex): Initialize cb->get_suggestion to cb_get_suggestion. 2016-08-18 Marek Polacek PR c/71514 * c-common.c (get_atomic_generic_size): Disallow pointer-to-function and pointer-to-VLA. 2016-08-16 David Malcolm PR c/72857 * c-common.c (substring_loc::get_range): Rename to... (substring_loc::get_location): ...this, converting param from a source_range * to a location_t *. Call get_source_location_for_substring rather than get_source_range_for_substring, and pass in m_caret_idx. * c-common.h (substring_loc::substring_loc): Add param "caret_idx". (substring_loc::get_range): Replace with... (substring_loc::get_location): ...this. (substring_loc::set_caret_index): New method. (substring_loc): Add field m_caret_idx. * c-format.c (format_warning_va): Update for above changes. Rename local "substring_loc" to "fmt_substring_loc" to avoid clashing with type name. (format_warning_at_char): Add caret_idx param to substring_loc ctor. (check_argument_type): Likewise. (format_type_warning): Rename param "fmt_loc" to "whole_fmt_loc" Use a copy when emitting warnings, setting the caret index from TYPE. 2016-08-16 Eric Botcazou Arnaud Charlet * c-ada-spec.c (dump_number): New function. (handle_escape_character): Likewise. (print_ada_macros): Add handling of constant integers and strings. 2016-08-12 Marek Polacek PR c/7652 * c-common.c (scalar_to_vector): Adjust fall through comment. * c-opts.c (c_common_handle_option): Likewise. * c-pragma.c (handle_pragma_pack): Add FALLTHRU. * c-pretty-print.c (c_pretty_printer::postfix_expression): Adjust fall through comment. * cilk.c (extract_free_variables): Add FALLTHRU. 2016-08-10 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_if_constexpr. 2016-08-09 Jason Merrill * c-common.c (c_common_attribute_table): vector_size affects type identity. 2016-08-09 Marek Polacek PR c/7652 * c-ada-spec.c (dump_generic_ada_node): Add return. 2016-08-09 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_constexpr for C++17 constexpr lambdas. 2016-08-08 David Malcolm PR c/64955 * c-common.h (selftest::c_format_c_tests): New declaration. (selftest::run_c_tests): New declaration. * c-format.c: Include "selftest.h. (format_warning_va): Add param "corrected_substring" and use it to add a replacement fix-it hint. (format_warning_at_substring): Likewise. (format_warning_at_char): Update for new param of format_warning_va. (argument_parser::check_argument_type): Pass "fki" to check_format_types. (check_format_types): Add param "fki" and pass it to format_type_warning. (deref_n_times): New function. (get_modifier_for_format_len): New function. (selftest::test_get_modifier_for_format_len): New function. (get_format_for_type): New function. (format_type_warning): Add param "fki" and use it to attempt to provide hints for argument types when calling format_warning_at_substring. (selftest::get_info): New function. (selftest::assert_format_for_type_streq): New function. (ASSERT_FORMAT_FOR_TYPE_STREQ): New macro. (selftest::test_get_format_for_type_printf): New function. (selftest::test_get_format_for_type_scanf): New function. (selftest::c_format_c_tests): New function. 2016-08-08 David Malcolm PR c/52952 * c-format.c: Include "diagnostic.h". (location_column_from_byte_offset): Delete. (location_from_offset): Delete. (format_warning_va): New function. (format_warning_at_substring): New function. (format_warning_at_char): New function. (check_format_arg): Capture location of format_tree and pass to check_format_info_main. (argument_parser): Add fields "start_of_this_format" and "format_string_cst". (flag_chars_t::validate): Add param "format_string_cst". Convert warning_at call using location_from_offset to call to format_warning_at_char. (argument_parser::argument_parser): Add param "format_string_cst_" and use use it to initialize field "format_string_cst". Initialize new field "start_of_this_format". (argument_parser::read_format_flags): Convert warning_at call using location_from_offset to a call to format_warning_at_char. (argument_parser::read_any_format_left_precision): Likewise. (argument_parser::read_any_format_precision): Likewise. (argument_parser::read_any_other_modifier): Likewise. (argument_parser::find_format_char_info): Likewise, in three places. (argument_parser::parse_any_scan_set): Likewise, in one place. (argument_parser::handle_conversions): Likewise, in two places. (argument_parser::check_argument_type): Add param "fmt_param_loc" and use it to make a substring_loc. Pass the latter to check_format_types. (check_format_info_main): Add params "fmt_param_loc" and "format_string_cst". Convert warning_at calls using location_from_offset to calls to format_warning_at_char. Pass the new params to the arg_parser ctor. Pass "format_string_cst" to flag_chars.validate. Pass "fmt_param_loc" to arg_parser.check_argument_type. (check_format_types): Convert first param from a location_t to a const substring_loc & and rename to "fmt_loc". Attempt to extract the range of the relevant parameter and pass it to format_type_warning. (format_type_warning): Convert first param from a location_t to a const substring_loc & and rename to "fmt_loc". Add params "param_range" and "type". Replace calls to warning_at with calls to format_warning_at_substring. 2016-08-08 David Malcolm * c-format.c (class flag_chars_t): New class. (struct length_modifier): New struct. (class argument_parser): New class. (flag_chars_t::flag_chars_t): New ctor. (flag_chars_t::has_char_p): New method. (flag_chars_t::add_char): New method. (flag_chars_t::validate): New method. (flag_chars_t::get_alloc_flag): New method. (flag_chars_t::assignment_suppression_p): New method. (argument_parser::argument_parser): New ctor. (argument_parser::read_any_dollar): New method. (argument_parser::read_format_flags): New method. (argument_parser::read_any_format_width): New method. (argument_parser::read_any_format_left_precision): New method. (argument_parser::read_any_format_precision): New method. (argument_parser::handle_alloc_chars): New method. (argument_parser::read_any_length_modifier): New method. (argument_parser::read_any_other_modifier): New method. (argument_parser::find_format_char_info): New method. (argument_parser::validate_flag_pairs): New method. (argument_parser::give_y2k_warnings): New method. (argument_parser::parse_any_scan_set): New method. (argument_parser::handle_conversions): New method. (argument_parser::check_argument_type): New method. (check_format_info_main): Introduce classes argument_parser and flag_chars_t, moving the code within the loop into methods of these classes. Make various locals "const". 2016-08-05 David Malcolm * c-common.c: Include "substring-locations.h". (get_cpp_ttype_from_string_type): New function. (g_string_concat_db): New global. (substring_loc::get_range): New method. * c-common.h (g_string_concat_db): New declaration. (class substring_loc): New class. * c-lex.c (lex_string): When concatenating strings, capture the locations of all tokens using a new obstack, and record the concatenation locations within g_string_concat_db. * c-opts.c (c_common_init_options): Construct g_string_concat_db on the ggc-heap. 2016-07-29 Marek Polacek PR c/71926 * c-common.c (c_common_truthvalue_conversion): Use LOCATION for the parentheses warning. PR c/71574 * c-common.c (handle_alloc_align_attribute): Also check FUNCTION_DECL. 2016-07-28 Martin Liska PR gcov-profile/68025 * c-common.c (handle_no_profile_instrument_function_attribute): 2016-07-27 Bernd Edlinger * c-common.c (check_user_alignment): Use LOG2_BITS_PER_UNIT instead of BITS_PER_UNIT_LOG. 2016-07-25 Jason Merrill PR c++/65970 * c.opt (fconstexpr-loop-limit): New. 2016-07-22 Martin Sebor PR c++/71675 * c-common.c (resolve_overloaded_builtin): Avoid converting __atomic_compare_exchange_n return type to that of what its first argument points to. 2016-07-22 Uros Bizjak * c-common.c: Use HOST_WIDE_INT_M1U instead of ~(unsigned HOST_WIDE_INT) 0. 2016-07-22 Martin Liska PR gcov-profile/69028 PR gcov-profile/62047 * cilk.c (create_cilk_helper_decl): Set location of a new decl to the current_function_decl. 2016-07-21 Jason Merrill PR c++/65168 * c-common.c (c_common_truthvalue_conversion): Check c_inhibit_evaluation_warnings for warning about address of reference. 2016-07-20 David Malcolm * c-common.h (lookup_name_fuzzy): Convert return type from tree to const char *. 2016-07-15 Jason Merrill * c-opts.c (c_common_post_options): Update -fabi-version default to 11. 2016-07-15 Jakub Jelinek PR c/71858 * c-common.h (enum lookup_name_fuzzy_kind): Add FUZZY_LOOKUP_FUNCTION_NAME. 2016-07-08 Jason Merrill P0145: Refining Expression Order for C++. * c.opts (-fargs-in-order): Rename to -fstrong-eval-order. * c-opts.c: Adjust. 2016-07-05 Markus Trippelsdorf PR c++/71214 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_rvalue_references. 2016-06-29 Thomas Schwinge * c-pragma.h (enum pragma_kind): Rename PRAGMA_OMP_DECLARE_REDUCTION to PRAGMA_OMP_DECLARE. Adjust all users. 2016-06-29 Richard Biener PR middle-end/71002 * c-common.c (c_common_get_alias_set): Remove union type punning case. 2016-06-24 Jason Merrill P0145R2: Refining Expression Order for C++. * c-common.c (verify_tree) [COMPOUND_EXPR]: Fix handling on LHS of MODIFY_EXPR. 2016-06-24 Jakub Jelinek * c-common.c (check_builtin_function_arguments): Require last argument of BUILT_IN_*_OVERFLOW_P to have INTEGER_TYPE type. Adjust wording of diagnostics for BUILT_IN_*_OVERLFLOW if the last argument is pointer to enumerated or boolean type. 2016-06-22 David Malcolm PR c/70339 * c-common.h (enum lookup_name_fuzzy_kind): New enum. (lookup_name_fuzzy): New prototype. 2016-06-21 John David Anglin * c-common.c (get_source_date_epoch): Use int64_t instead of long long. 2016-06-14 Jason Merrill P0145R2: Refining Expression Order for C++. * c.opt (fargs-in-order): New. * c-opts.c (c_common_post_options): Adjust flag_args_in_order. 2016-06-13 Jakub Jelinek PR sanitizer/71498 * c-gimplify.c (ubsan_walk_array_refs_r): Set *walk_subtrees = 0 on all BIND_EXPRs, and on all BIND_EXPRs recurse also on BIND_EXPR_BODY. PR preprocessor/71183 * c-ppoutput.c (init_pp_output): Set cb->get_source_date_epoch to cb_get_source_date_epoch. 2016-06-10 Jakub Jelinek PR c/68657 * c.opt (Wpsabi): Add Warning flag. 2016-06-10 Martin Sebor PR c/71392 * c-common.c (handle_nonnull_attribute): Accept the nonnull attribute in type-generic builtins. 2016-06-09 Martin Sebor PR c/70883 * c-common.c (builtin_function_validate_nargs): Make text of error message consistent with others like it. 2016-06-08 Martin Sebor Jakub Jelinek PR c++/70507 PR c/68120 * c-common.c (check_builtin_function_arguments): Handle BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P. 2016-06-08 Richard Biener * c-common.c (parse_optimize_options): Improve diagnostic messages. 2016-06-07 Richard Biener PR c/61564 * c-common.c (parse_optimize_options): Only apply CL_OPTIMIZATION options and warn about others. 2016-06-01 Eduard Sanou * c-common.c (get_source_date_epoch): Rename to cb_get_source_date_epoch. * c-common.c (cb_get_source_date_epoch): Use a single generic erorr message when the parsing fails. Use error_at instead of fatal_error. * c-common.h (get_source_date_epoch): Rename to cb_get_source_date_epoch. * c-common.h (cb_get_source_date_epoch): Prototype. * c-common.h (MAX_SOURCE_DATE_EPOCH): Define. * c-common.h (c_omp_region_type): Remove trailing comma. * c-lex.c (init_c_lex): Set cb->get_source_date_epoch callback. * c-lex.c (c_lex_with_flags): Remove initialization of pfile->source_date_epoch. 2016-05-30 Jakub Jelinek PR c++/71349 * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_DEPEND to C_OMP_CLAUSE_SPLIT_TARGET. Put OMP_CLAUSE_NOWAIT to C_OMP_CLAUSE_SPLIT_TARGET if combined with target construct, instead of C_OMP_CLAUSE_SPLIT_FOR. 2016-05-24 Richard Biener PR middle-end/70434 PR c/69504 * c-common.h (convert_vector_to_pointer_for_subscript): Rename to ... (convert_vector_to_array_for_subscript): ... this. * c-common.c (convert_vector_to_pointer_for_subscript): Use a VIEW_CONVERT_EXPR to an array type. Rename to ... (convert_vector_to_array_for_subscript): ... this. 2016-05-12 Marek Polacek PR c/70756 * c-common.c (pointer_int_sum): Call size_in_bytes_loc instead of size_in_bytes and pass LOC to it. 2016-05-11 Mikhail Maltsev PR c/43651 * c.opt (Wduplicate-decl-specifier): New option. 2016-05-11 Marek Polacek PR c++/71024 * c-common.c (diagnose_mismatched_attributes): New function. * c-common.h (diagnose_mismatched_attributes): Declare. 2016-05-04 Marek Polacek * c.opt (Wdangling-else): New option. 2016-05-03 Marek Polacek PR c/70859 * c-common.c (builtin_function_validate_nargs): Add location parameter. Use it. (check_builtin_function_arguments): Add location and arguments parameters. Use them. * c-common.h (check_builtin_function_arguments): Update declaration. 2016-05-03 Richard Biener * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Do not allow call args to gimplify to SSA names. 2016-05-03 Marek Polacek * c-common.h (enum c_omp_region_type): Remove stray comma. 2016-05-02 Cesar Philippidis * c-common.h (enum c_omp_region_type): Define. 2016-05-02 Richard Sandiford * c-common.c (shorten_compare): Use wi::to_wide. 2016-04-29 Cesar Philippidis PR middle-end/70626 * c-common.h (c_oacc_split_loop_clauses): Add boolean argument. * c-omp.c (c_oacc_split_loop_clauses): Use it to duplicate reduction clauses in acc parallel loops. 2016-04-29 Marek Polacek PR c/70852 * c-common.c (warn_for_memset): Check domain before accessing it. 2016-04-29 Dominik Vogt PR/69089 * c-common.c (handle_aligned_attribute): Allow 0 as an argument to the "aligned" attribute. 2016-04-28 Jason Merrill * c-lex.c (c_common_has_attribute): Handle nodiscard. 2016-04-28 Eduard Sanou Matthias Klose * c-common.c (get_source_date_epoch): New function, gets the environment variable SOURCE_DATE_EPOCH and parses it as long long with error handling. * c-common.h (get_source_date_epoch): Prototype. * c-lex.c (c_lex_with_flags): set parse_in->source_date_epoch. 2015-04-27 Ryan Burn PR c++/69024 PR c++/68997 * cilk.c (cilk_ignorable_spawn_rhs_op): Change to external linkage. (cilk_recognize_spawn): Renamed from recognize_spawn and change to external linkage. (cilk_detect_and_unwrap): Corresponding changes. (extract_free_variables): Don't extract free variables from AGGR_INIT_EXPR slot. * c-common.h (cilk_ignorable_spawn_rhs_op): Prototype. (cilk_recognize_spawn): Likewise. 2016-04-27 Bernd Schmidt * c.opt (Wmemset-elt-size): New option. * c-common.c (warn_for_memset): New function. * c-common.h (warn_for_memset): Declare. 2016-04-25 Jason Merrill * c-common.c (handle_unused_attribute): Accept CONST_DECL. No longer static. * c-common.h: Declare it. * c-lex.c (c_common_has_attribute): Add maybe_unused. 2016-04-22 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_range_based_for. 2016-04-20 Ilya Verbin PR c++/69363 * c-cilkplus.c (c_finish_cilk_clauses): Remove function. * c-common.h (c_finish_cilk_clauses): Remove declaration. 2016-04-18 Michael Matz * c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN and SET_DECL_ALIGN. 2016-04-17 Eric Botcazou * c-ada-spec.c (get_underlying_decl): Return the typedef, if any. (dump_generic_ada_node) : Clean up handling of access to incomplete types. (dump_nested_type): Remove redundant tests and tidy up. (print_ada_declaration): Also set TREE_VISITED on the declaration of a type which is the typedef of an original type. 2016-04-15 Marek Polacek PR c/70651 * c-common.c (build_va_arg): Change two asserts into errors and return error_mark_node. 2016-04-13 Marek Polacek PR c++/70639 * c-indentation.c (should_warn_for_misleading_indentation): Bail out for switch statements, too. 2016-03-28 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_range_based_for. 2016-03-23 Marek Polacek PR c++/69884 * c.opt (Wignored-attributes): New option. 2016-03-22 David Malcolm PR c/69993 * c-indentation.c (warn_for_misleading_indentation): Rewrite the diagnostic text, reversing the order of the warning and note so that they appear in source order. 2016-03-17 Marek Polacek PR c/69407 * c-common.c (resolve_overloaded_builtin): Set TREE_USED for the fetch operations. 2016-03-14 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Set __cpp_hex_float. * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_range_based_for. 2016-03-09 Richard Biener PR c/70143 * c-common.c (strict_aliasing_warning): Add back alias_sets_conflict_p check. 2016-03-08 Jason Merrill * c-opts.c (set_std_cxx1z): Don't enable concepts. 2016-03-04 David Malcolm PR c/68187 * c-indentation.c (get_visual_column): Move code to determine next tab stop to... (next_tab_stop): ...this new function. (line_contains_hash_if): Delete function. (detect_preprocessor_logic): Delete function. (get_first_nws_vis_column): New function. (detect_intervening_unindent): New function. (should_warn_for_misleading_indentation): Replace call to detect_preprocessor_logic with a call to detect_intervening_unindent. 2016-03-04 David Malcolm PR c/68187 * c-indentation.c (should_warn_for_misleading_indentation): When suppressing warnings about cases where the guard and body are on the same column, only use the first non-whitespace column in place of the guard token column when dealing with "else" clauses. When rejecting aligned BODY and NEXT, loosen the requirement from equality with the first non-whitespace of guard to simply that they not be indented relative to it. 2016-03-04 Richard Biener PR c++/70054 * c-common.c (strict_aliasing_warning): Use alias_set_subset_of instead of alias_sets_conflict_p. 2016-03-01 Marek Polacek PR c++/69795 * c-common.c (reject_gcc_builtin): Check for FUNCTION_DECL rather than any DECL. 2016-02-22 Martin Sebor PR middle-end/69780 * c-common.c (check_builtin_function_arguments): Validate and reject invalid arguments to __builtin_alloca_with_align. 2016-02-20 Mark Wielaard PR c/28901 * c.opt (Wunused-const-variable): Turn into Alias for... (Wunused-const-variable=): New option. 2016-02-19 Bernd Edlinger PR c++/69865 * c-opts.c (c_common_post_options): Move call to set_std_cxx14 from here... (c_common_init_options): ...to here. (set_std_cxx98): Initialize flag_isoc94 and flag_isoc99. 2016-02-19 Jakub Jelinek PR c++/69826 * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_GRAINSIZE. (init_pragma): Register PRAGMA_CILK_GRAINSIZE even for flag_preprocess_only. 2016-02-16 Jakub Jelinek PR c/69835 * c.opt (Wnonnull-compare): Enable for -Wall. 2016-02-15 Jakub Jelinek PR c++/69797 * c-common.c (sync_resolve_size): Diagnose too few arguments even when params is non-NULL empty vector. 2016-02-08 Bernd Schmidt PR target/60410 * c.opt (fshort-double): Remove. 2016-02-05 Martin Sebor PR c++/69662 * c.opt (Warning options): Update -Wplacement-new to take an optional argument. 2016-02-01 Jakub Jelinek PR preprocessor/69543 PR c/69558 * c-pragma.c (handle_pragma_diagnostic): Pass input_location instead of loc to control_warning_option. 2016-02-01 Nathan Sidwell * c.opt (fopenacc-dim=): New option. 2016-01-27 Ryan Burn PR cilkplus/69267 * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Change to use gimplify_arg. Removed superfluous post_p argument. * c-family.h (cilk_gimplify_call_params_in_spawned_fn): Removed superfluous post_p argument. * c-gimplify.c (c_gimplify_expr): Likewise. 2016-01-26 David Malcolm PR other/69006 * c-opts.c (c_diagnostic_finalizer): Replace invocation of pp_newline_and_flush with pp_flush. 2016-01-20 Martin Sebor PR c/69405 * c-common.c (sync_resolve_size): Avoid printing diagnostic about an incompatible argument when the argument isn't a valid tree node. 2016-01-18 Jason Merrill PR c++/68767 * c-common.c (check_function_arguments_recurse): Fold the whole COND_EXPR, not just the condition. 2016-01-18 Tom de Vries * c-omp.c (c_oacc_split_loop_clauses): Don't copy OMP_CLAUSE_REDUCTION, classify as loop clause. 2016-01-15 Jakub Jelinek PR bootstrap/68271 * c-pragma.c (c_register_pragma_1): Adjust comment to note that C++ FE no longer has limit on number of pragmas. 2015-01-14 Ryan Burn PR c++/69048 * cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr to add missing cleanup point. 2016-01-14 David Malcolm PR c++/68819 * c-indentation.c (get_visual_column): Add location_t param. Handle the column number being zero by effectively disabling the warning, with an "inform". (should_warn_for_misleading_indentation): Add location_t argument for all uses of get_visual_column. 2016-01-10 Patrick Palka PR c++/69029 * c-indentation.c (should_warn_for_misleading_indentation): Don't warn about do-while statements. 2016-01-07 Martin Sebor PR c/68966 * c-common.c (sync_resolve_size): Reject first argument when it's a pointer to _Bool. 2016-01-05 David Malcolm PR c/69122 * c-indentation.c (get_visual_column): Remove default argument. (should_warn_for_misleading_indentation): For the multiline case, update call to get_visual_column for next_stmt_exploc so that it captures the location of the first non-whitespace character in the relevant line. Don't issue warnings if there is non-whitespace before the next statement. 2016-01-04 Jakub Jelinek Update copyright years. 2015-12-21 David Malcolm * c-common.c (binary_op_error): Convert first param from location_t to rich_location * and use it when emitting an error. * c-common.h (binary_op_error): Convert first param from location_t to rich_location *. 2015-12-16 David Malcolm * c-common.h (conflict_marker_get_final_tok_kind): New prototype. * c-lex.c (conflict_marker_get_final_tok_kind): New function. 2015-12-15 Ilya Verbin * c-common.c (c_common_attribute_table): Handle "omp declare target link" attribute. 2015-12-14 Jakub Jelinek PR c/68833 * c.opt (Wmissing-format-attribute, Wnormalized): Add Warning option. 2014-12-12 Tobias Burnus PR fortran/68815 * c-format.c (gcc_gfc_char_table): Add 'q' flag to remaining specifiers (%d, %i,%u and %c). 2015-12-10 David Malcolm * c.opt (Wmisleading-indentation): Add to -Wall for C and C++. 2015-12-08 Jakub Jelinek PR c/48088 PR c/68657 * c.opt (Wfloat-conversion, Wsign-conversion): Add Warning. * c-pragma.c (handle_pragma_diagnostic): Adjust control_warning_option caller. 2015-12-07 David Malcolm * c-common.c (c_cpp_error): Update for change to rich_location::set_range. 2015-12-04 Paolo Bonzini * c-common.c (maybe_warn_shift_overflow): Warn on all overflows if shifting 1 out of the sign bit. 2015-12-04 Kirill Yukhin * c-common.c (c_common_attribute_table[]): Update max arguments count for "simd" attribute. (handle_simd_attribute): Parse "notinbranch" and "inbranch" arguments. 2015-12-03 Jakub Jelinek PR preprocessor/57580 * c-ppoutput.c (print): Change printed field to bool. Move src_file last for smaller padding. (init_pp_output): Set print.printed to false instead of 0. (scan_translation_unit): Fix up formatting. Set print.printed to true after printing something other than newline. (scan_translation_unit_trad): Set print.printed to true instead of 1. (maybe_print_line_1): Set print.printed to false instead of 0. (print_line_1): Likewise. (do_line_change): Set print.printed to true instead of 1. (cb_define, dump_queued_macros, cb_include, cb_def_pragma, dump_macro): Set print.printed to false after printing newline. 2015-12-02 Jason Merrill * c-common.c (fold_for_warn): New. (warn_logical_operator, warn_tautological_cmp) (check_function_arguments_recurse, maybe_warn_bool_compare): Use it. * c-common.c (c_disable_warnings, c_enable_warnings, c_fully_fold) (c_fully_fold_internal, decl_constant_value_for_optimization): Move to c/c-fold.c. * c-common.h: Don't declare decl_constant_value_for_optimization. 2015-12-02 Joseph Myers PR c/68162 * c-common.h (c_build_qualified_type): Add extra default arguments. 2015-12-01 Julian Brown Cesar Philippidis James Norris * c-pragma.c (oacc_pragmas): Add PRAGMA_OACC_HOST_DATA. * c-pragma.h (pragma_kind): Add PRAGMA_OACC_HOST_DATA. (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_USE_DEVICE. 2015-11-30 Eric Botcazou * c-ada-spec.c (print_ada_macros): Remove redundant blank line. (decl_sloc_common): Delete and move bulk of processing to... (decl_sloc): ...here. (pp_ada_tree_identifier): Remove reference to QUAL_UNION_TYPE. (dump_ada_double_name): Remove S parameter and compute the suffix. (dump_ada_array_type): Add PARENT parameter. Simplify computation of element type and deal with an anonymous one. (dump_ada_template): Use RECORD_OR_UNION_TYPE_P macro. (dump_generic_ada_node): Tweak. Adjust call to dump_ada_array_type and remove reference to QUAL_UNION_TYPE. (dump_nested_types): Make 2 passes on the fields and move bulk to... (dump_nested_type): ...here. New function extracted from above. Generate a full declaration for anonymous element type of arrays. (print_ada_declaration): Really skip anonymous declarations. Remove references to QUAL_UNION_TYPE. Adjust call to dump_ada_array_type. Clean up processing of declarations of array types and objects. (print_ada_struct_decl): Remove reference to QUAL_UNION_TYPE. Remove obsolete code and tidy up. 2015-11-29 Jan Hubicka PR c/67581 * c-common.c (handle_transparent_union_attribute): Update also type variants. 2015-11-27 Martin Liska PR c++/68312 * array-notation-common.c (cilkplus_extract_an_triplets): Release vector of vectors. * cilk.c (gimplify_cilk_spawn): Free allocated memory. 2015-11-26 Eric Botcazou PR c++/68527 * c-ada-spec.c (dump_nested_types): Add guard for error_mark_node. (print_ada_struct_decl): Likewise. 2015-11-23 Igor Zamyatin PR c++/68001 * c-gimplify.c (c_gimplify_expr): Stop the process if see an error. * cilk.c (recognize_spawn): Determine location in a more precise way. 2015-11-19 Jason Merrill * c-common.c (shorten_compare): But look through macros from system headers. 2015-11-18 Jason Merrill * c-common.c (shorten_compare): Don't -Wtype-limits if the non-constant operand comes from a macro. 2015-11-17 Jason Merrill PR bootstrap/68346 * c-common.c (warn_tautological_cmp): Fold before checking for constants. 2015-11-16 Marek Polacek PR c++/68362 * c-common.c (check_case_bounds): Fold low and high cases. 2015-11-16 Marek Polacek * c-ada-spec.c (dump_ada_template): Use RECORD_OR_UNION_TYPE_P. * c-common.c (c_common_get_alias_set): Likewise. (handle_visibility_attribute): Likewise. 2015-11-16 Kirill Yukhin * c-common.c (handle_simd_attribute): New. (struct attribute_spec): Add entry for "simd". (handle_simd_attribute): New. 2015-11-13 Kai Tietz * c-lex.c (interpret_float): Use fold_convert. 2015-11-13 David Malcolm * c-common.c (c_fully_fold_internal): Capture existing souce_range, and store it on the result. * c-opts.c (c_common_init_options): Set global_dc->colorize_source_p. 2015-11-12 James Norris Joseph Myers * c-pragma.c (oacc_pragmas): Add entry for declare directive. * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_DECLARE. (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OACC_CLAUSE_LINK. 2015-11-11 Marek Polacek PR c/68107 PR c++/68266 * c-common.c (valid_array_size_p): New function. * c-common.h (valid_array_size_p): Declare. 2015-11-11 Dominique d'Humieres PR bootstrap/68271 * c-pragma.c (c_register_pragma_1): Update the gcc_assert to 256. 2015-11-11 Andrew MacLeod * array-notation-common.c: Remove unused header files. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.c: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. 2015-11-09 Thomas Schwinge Cesar Philippidis James Norris Julian Brown Nathan Sidwell * c-pragma.c (oacc_pragmas): Add "routine". * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ROUTINE. 2015-11-08 Eric Botcazou * c-common.c (c_common_attributes): Add scalar_storage_order. (handle_scalar_storage_order_attribute): New function. * c-pragma.c (global_sso): New variable. (maybe_apply_pragma_scalar_storage_order): New function. (handle_pragma_scalar_storage_order): Likewise. (init_pragma): Register scalar_storage_order. * c-pragma.h (maybe_apply_pragma_scalar_storage_order): Declare. * c.opt (Wscalar-storage-order): New warning. (fsso-struct=): New option. 2015-11-08 Martin Sebor * c.opt (Wplacement-new): Add a period to the end of a sentence. 2015-11-07 Richard Sandiford * c-common.c: Don't undef DEF_BUILTIN. 2015-11-06 David Malcolm * c-common.c (c_cpp_error): Convert parameter from location_t to rich_location *. Eliminate the "column_override" parameter and the call to diagnostic_override_column. Update the "done_lexing" clause to set range 0 on the rich_location, rather than overwriting a location_t. * c-common.h (c_cpp_error): Convert parameter from location_t to rich_location *. Eliminate the "column_override" parameter. 2015-11-05 Cesar Philippidis Thomas Schwinge James Norris * c-omp.c (c_oacc_split_loop_clauses): Make TILE, GANG, WORKER, VECTOR, AUTO, SEQ, INDEPENDENT and PRIVATE loop clauses. Associate REDUCTION clauses with parallel and kernels and loops. * c-pragma.h (enum pragma_omp_clause): Add entries for PRAGMA_OACC_CLAUSE_{INDEPENDENT,TILE,DEFAULT}. * pt.c (tsubst_omp_clauses): Add support for OMP_CLAUSE_{NUM_GANGS, NUM_WORKERS,VECTOR_LENGTH,GANG,WORKER,VECTOR,ASYNC,WAIT,TILE,AUTO, INDEPENDENT,SEQ}. (tsubst_expr): Add support for OMP_CLAUSE_{KERNELS,PARALLEL,LOOP}. 2015-11-05 Martin Sebor PR c++/67942 * c.opt (-Wplacement-new): New option. 2015-11-05 Jakub Jelinek * c-common.h (c_finish_omp_atomic): Add TEST argument. (c_omp_check_loop_iv, c_omp_check_loop_iv_exprs): New prototypes. * c-omp.c (c_finish_omp_atomic): Add TEST argument. Don't call save_expr or create_tmp_var* if TEST is true. (c_finish_omp_for): Store OMP_FOR_ORIG_DECLS always. Don't call add_stmt here. (struct c_omp_check_loop_iv_data): New type. (c_omp_check_loop_iv_r, c_omp_check_loop_iv, c_omp_check_loop_iv_exprs): New functions. (c_omp_split_clauses): Adjust for lastprivate being allowed on distribute. (c_omp_declare_simd_clauses_to_numbers): Change OMP_CLAUSE_LINEAR_VARIABLE_STRIDE OMP_CLAUSE_LINEAR_STEP into numbers. (c_omp_declare_simd_clauses_to_decls): Similarly change those from numbers to PARM_DECLs. 2015-11-04 Mikhail Maltsev * c-omp.c (c_omp_split_clauses): Remove conditional compilation. Use flag_checking. 2015-11-03 Bernd Schmidt PR c++-common/67882 * c-common.h (fold_offsetof_1): Add argument. * c-common.c (fold_offsetof_1): Diagnose more invalid offsetof expressions that reference elements past the end of an array. 2015-11-03 Thomas Schwinge Chung-Lin Tang * c-pragma.c (oacc_pragmas): Add "atomic". * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ATOMIC. 2015-10-30 Evgeny Stupachenko * c-common.c (handle_target_clones_attribute): New. (c_common_attribute_table): Add handle_target_clones_attribute. (handle_always_inline_attribute): Add check on target_clones attribute. (handle_target_attribute): Ditto. 2015-10-29 Andrew MacLeod * array-notation-common.c: Reorder #include's and remove duplicates. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.c: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. 2015-10-28 Jason Merrill * c-common.c (pointer_int_sum): Fold the MULT_EXPR. 2015-10-27 Thomas Schwinge James Norris Cesar Philippidis PR c/64765 PR c/64880 * c-common.h (c_oacc_split_loop_clauses): Declare function. * c-omp.c (c_oacc_split_loop_clauses): New function. 2015-10-21 Martin Sebor PR driver/68043 * c.opt: End each sentence that describes an option with a period. 2015-10-20 Marek Polacek * array-notation-common.c (is_cilkplus_vector_p): Define. * c-common.h (is_cilkplus_vector_p): Declare. 2015-10-20 Marek Polacek * c.opt (std=gnu++11): Do not describe as experimental. (std=gnu++14): Likewise. 2015-10-19 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_nontype_template_args. 2015-10-19 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_enumerator_attributes, __cpp_fold_expressions, __cpp_unicode_characters. 2015-10-13 Jakub Jelinek Aldy Hernandez * c-common.c (enum c_builtin_type): Define DEF_FUNCTION_TYPE_9, DEF_FUNCTION_TYPE_10 and DEF_FUNCTION_TYPE_11. (c_define_builtins): Likewise. * c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_TASKLOOP. (c_finish_omp_critical, c_finish_omp_ordered): Add CLAUSES argument. (c_finish_omp_for): Add ORIG_DECLV argument. * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP as 201511 instead of 201307. * c-omp.c (c_finish_omp_critical): Add CLAUSES argument, set OMP_CRITICAL_CLAUSES to it. (c_finish_omp_ordered): Add CLAUSES argument, set OMP_ORDERED_CLAUSES to it. (c_finish_omp_for): Add ORIG_DECLV argument, set OMP_FOR_ORIG_DECLS to it if OMP_FOR. Clear DECL_INITIAL on the IVs. (c_omp_split_clauses): Handle OpenMP 4.5 combined/composite constructs and new OpenMP 4.5 clauses. Clear OMP_CLAUSE_SCHEDULE_SIMD if not combined with OMP_SIMD. Add verification code. * c-pragma.c (omp_pragmas_simd): Add taskloop. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKLOOP. (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_{DEFAULTMAP,GRAINSIZE,HINT,{IS,USE}_DEVICE_PTR} and PRAGMA_OMP_CLAUSE_{LINK,NOGROUP,NUM_TASKS,PRIORITY,SIMD,THREADS}. 2015-10-05 Richard Sandiford * c-lex.c (interpret_float): Use real_equal instead of REAL_VALUES_EQUAL. 2015-10-04 Jason Merrill Implement N4514, C++ Extensions for Transactional Memory. * c-common.c (c_common_reswords): Add C++ TM TS keywords. (c_common_attribute_table): Add transaction_safe_dynamic. transaction_safe now affects type identity. (handle_tm_attribute): Handle transaction_safe_dynamic. * c-common.h (enum rid): Add RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED. (OBJC_IS_CXX_KEYWORD): Add RID_SYNCHRONIZED. (D_TRANSMEM): New. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_transactional_memory. * c-pretty-print.c (pp_c_attributes_display): Don't print transaction_safe in C++. 2015-10-02 Marek Polacek * c.opt (Wduplicated-cond): Don't enable by -Wall anymore. 2015-10-02 Marek Polacek PR c/64249 * c-common.c (warn_duplicated_cond_add_or_warn): New function. * c-common.h (warn_duplicated_cond_add_or_warn): Declare. * c.opt (Wduplicated-cond): New option. 2015-10-01 Joseph Myers * c.opt (std=c11): Do not describe as experimental. (std=gnu11): Likewise. (std=iso9899:2011): Likewise. 2015-09-28 Nathan Sidwell * c-common.c (DEF_FUNCTION_TYPE_VAR_6): New. (DEF_FUNCTION_TYPE_VAR_11): Delete. 2015-09-25 Marek Polacek * c-ubsan.c (ubsan_instrument_division): Remove unnecessary code. (ubsan_instrument_shift): Likewise. 2015-09-25 Marek Polacek PR sanitizer/64906 * c-ubsan.c (ubsan_instrument_division): Also pre-evaluate OP1. 2015-09-24 Patrick Palka * c-indentation.c (should_warn_for_misleading_indentation): Compare next_stmt_vis_column with guard_line_first_nws instead of with guard_line_vis_column. 2015-09-23 Manuel López-Ibáñez PR c/49654 PR c/49655 * c-pragma.c (handle_pragma_diagnostic): Detect non-warning options and options not valid for the current language. 2015-09-22 Patrick Palka * c-indentation.c (should_warn_for_misleading_indentation): Float out and consolidate the calls to get_visual_column that are passed guard_exploc as an argument. Compare next_stmt_vis_column with guard_line_first_nws instead of with body_line_first_nws. 2015-09-22 Nathan Sidwell * c.opt (Wmultiple-inheritance, Wvirtual-inheritance, Wtemplates, Wnamespaces): New C++ warnings. 2015-09-22 Jason Merrill * c-common.h (abi_compat_version_crosses): New. (warn_abi_version): Declare. * c-common.c: Define it. * c-opts.c (c_common_post_options): Handle it. flag_abi_compat_version defaults to 8. 2015-09-21 Ville Voutilainen Complete the implementation of N4230, Nested namespace definition. * c-cppbuiltin.c: Add __cpp_namespace_attributes and __cpp_nested_namespace_definitions. 2015-09-18 Manuel López-Ibáñez * c-pragma.c (handle_pragma_diagnostic): Fix wrong return. 2015-09-18 Manuel López-Ibáñez * c-pragma.c (handle_pragma_diagnostic): Use explicit location when warning. * c-pragma.h (pragma_lex): Add optional loc argument. 2015-09-16 Mikhail Maltsev * c-format.c (check_format_arg): Adjust to use common block size in all object pools. 2015-09-15 David Malcolm * c-format.c (location_from_offset): Update for change in signature of location_get_source_line. * c-indentation.c (get_visual_column): Likewise. (line_contains_hash_if): Likewise. 2015-09-14 Marek Polacek * c-opts.c (c_common_post_options): Set C++ standard earlier, before setting various warnings. 2015-09-14 Marek Polacek * c-common.c (warn_for_sign_compare): Cast to unsigned when shifting a negative value. 2015-09-11 Mark Wielaard PR c/28901 * c.opt (Wunused-variable): Option from common.opt. (Wunused-const-variable): New option. 2015-09-09 Paolo Carlini PR c++/53184 * c.opt ([Wsubobject-linkage]): Add. 2015-09-03 Martin Sebor PR c/66516 * c-common.h (c_decl_implicit, reject_gcc_builtin): Declare new functions. * c-common.c (reject_gcc_builtin): Define. 2015-09-02 Balaji V. Iyer PR middle-end/60586 * c-common.h (cilk_gimplify_call_params_in_spawned_fn): New prototype. * c-gimplify.c (c_gimplify_expr): Added a call to the function cilk_gimplify_call_params_in_spawned_fn. * cilk.c (cilk_gimplify_call_params_in_spawned_fn): New function. (gimplify_cilk_spawn): Removed EXPR_STMT and CLEANUP_POINT_EXPR unwrapping. 2015-08-25 Marek Polacek PR middle-end/67330 * c-common.c (handle_weak_attribute): Don't check whether the visibility can be changed here. 2015-08-22 Manuel López-Ibáñez * c-lex.c (c_lex_with_flags): Use explicit locations. 2015-08-18 Trevor Saunders * c-ada-spec.h, c-common.c, c-common.h, c-format.c, c-format.h, c-objc.h, c-ppoutput.c, c-pragma.c, c-pragma.h: Remove useless 2015-08-18 Francois-Xavier Coudert PR middle-end/36757 * c-common.c (check_builtin_function_arguments): Add check for BUILT_IN_SIGNBIT argument. 2015-08-18 Paolo Carlini PR c++/67160 * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_static_assert value in c++1z mode. 2015-08-17 Marek Polacek * c-pretty-print.c (pp_c_cv_qualifiers): Remove code dealing with whitespaces before qualifier names. 2015-08-12 Marek Polacek PR c++/55095 * c-common.c (maybe_warn_shift_overflow): Properly handle left-shifting 1 into the sign bit. 2015-08-09 Manuel López-Ibáñez * c.opt (Wchkp): Use LangEnabledBy instead of EnabledBy. 2015-08-06 Andrew Sutton Braden Obrzut Jason Merrill Add C++ Concepts TS support. * c-common.c (c_common_reswords): Add __is_same_as, concept, requires. * c-common.h (enum rid): Add RID_IS_SAME_AS, RID_CONCEPT, RID_REQUIRES. (D_CXX_CONCEPTS, D_CXX_CONCEPTS_FLAGS): New. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_concepts. * c-opts.c (set_std_cxx1z): Set flag_concepts. * c.opt (fconcepts): New. 2015-08-02 Martin Sebor * c.opt (-Wframe-address): New warning option. 2015-08-02 Patrick Palka * c-indentation.c (should_warn_for_misleading_indentation): Improve heuristics. 2015-08-02 Patrick Palka * c-indentation.c (get_visual_column): Add parameter first_nws, use it. Update comment documenting the function. (is_first_nonwhitespace_on_line): Remove. (should_warn_for_misleading_indentation): Replace usage of of is_first_nonwhitespace_on_line with get_visual_column. 2015-08-02 Patrick Palka * c-indentation.h (struct token_indent_info): Define. (get_token_indent_info): Define. (warn_for_misleading_information): Declare. * c-common.h (warn_for_misleading_information): Remove. * c-identation.c (warn_for_misleading_indentation): Change declaration to take three token_indent_infos. Adjust accordingly. * c-identation.c (should_warn_for_misleading_indentation): Likewise. Bail out early if the body is a compound statement. (guard_tinfo_to_string): Define. 2015-07-30 Jason Merrill * c-pretty-print.c (unary_expression) [INDIRECT_REF]: Don't print '*' for reference decay. 2015-07-30 Marek Polacek * c-common.c (warn_tautological_cmp): Bail for float types. 2015-07-27 Marek Polacek PR bootstrap/67030 * c-common.c (warn_tautological_cmp): Don't warn for macro expansion. 2015-07-27 Marek Polacek PR c++/66555 PR c/54979 * c-common.c (find_array_ref_with_const_idx_r): New function. (warn_tautological_cmp): New function. * c-common.h (warn_tautological_cmp): Declare. * c.opt (Wtautological-compare): New option. 2015-07-23 Marek Polacek * c-ubsan.c (ubsan_instrument_division): Use unshare_expr throughout. (ubsan_instrument_shift): Likewise. 2015-07-23 Marek Polacek PR sanitizer/66908 * c-ubsan.c: Include gimplify.h. (ubsan_instrument_division): Unshare OP0 and OP1. (ubsan_instrument_shift): Likewise. 2015-07-20 Marek Polacek Richard Sandiford PR c++/55095 * c-common.c (c_fully_fold_internal): Warn about left shift overflows. Use EXPR_LOC_OR_LOC. (maybe_warn_shift_overflow): New function. * c-common.h (maybe_warn_shift_overflow): Declare. * c-opts.c (c_common_post_options): Set warn_shift_overflow. * c.opt (Wshift-overflow): New option. 2015-07-16 Martin Liska * c-format.c (static void check_format_info_main): Use object_allocator instead of pool_allocator. (check_format_arg): Likewise. (check_format_info_main): Likewise. 2015-07-15 Andrew MacLeod * c-opts.c: Remove multiline #include comment. 2015-07-12 Aldy Hernandez * c-common.c: Fix double word typos. 2015-07-10 Eric Botcazou * c-ada-spec.h (cpp_operation): Revert latest change. * c-ada-spec.c (print_ada_declaration): Likewise. Skip implicit constructors and destructors. 2015-07-09 Andrew MacLeod * c-common.h: Adjust includes for flags.h changes. * stub-objc.c: Likewise. 2015-07-08 Eric Botcazou * c-ada-spec.h (cpp_operation): Add IS_CONSTEXPR. * c-ada-spec.c (print_ada_declaration): Skip constexpr constructors. 2015-07-08 Jakub Jelinek * c-omp.c (c_omp_declare_simd_clauses_to_numbers): If all clauses are to be removed, return NULL rather than original clauses list. 2015-07-07 Andrew MacLeod * array-notation-common.c: Adjust includes. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. 2015-07-07 Eric Botcazou * c-ada-spec.h (cpp_operation): Add IS_MOVE_CONSTRUCTOR. * c-ada-spec.c (print_ada_declaration): Skip move constructors. 2015-07-01 Jason Merrill * c-common.h (D_CXX11): Rename from D_CXX0X. (RID_FIRST_CXX11, RID_LAST_CXX11): Rename from *_CXX0X. * c-common.c: Adjust. * c-opts.c (c_common_post_options): Default to C++14. * c-opts.c (c_common_post_options): Highest ABI level is now 10. 2015-06-30 Edward Smith-Rowland <3dw4rd@verizon.net> Implement N4197 - Adding u8 character literals * c-ada-spec.c (print_ada_macros): Treat CPP_UTF8CHAR like CPP_CHAR. * c-common.c (c_parse_error): Print CPP_UTF8CHAR and CPP_UTF8CHAR_USERDEF tokens. * c-lex.c (c_lex_with_flags): Treat CPP_UTF8CHAR_USERDEF and CPP_UTF8CHAR tokens. (lex_charconst): Treat CPP_UTF8CHAR token. 2015-06-29 Manuel López-Ibáñez PR fortran/66605 * c-common.c (do_warn_unused_parameter): Move here. * c-common.h (do_warn_unused_parameter): Declare. 2015-06-29 Marek Polacek PR c/66322 * c-common.c (check_case_bounds): Add bool * parameter. Set OUTSIDE_RANGE_P. (c_add_case_label): Add bool * parameter. Pass it down to check_case_bounds. (c_do_switch_warnings): Add bool parameters. Implement -Wswitch-bool warning here. * c-common.h (c_add_case_label, c_do_switch_warnings): Update declarations. 2015-06-27 Marek Polacek * c-common.c (check_main_parameter_types): Use VECTOR_TYPE_P or VECTOR_INTEGER_TYPE_P throughout. * c-gimplify.c: Likewise. 2015-06-26 Marek Polacek * array-notation-common.c (find_rank): Use INDIRECT_REF_P. * c-common.c (c_fully_fold_internal): Likewise. (c_alignof_expr): Likewise. * c-pretty-print.c (c_pretty_printer::postfix_expression): Likewise. * c-ubsan.c (ubsan_instrument_bounds): Likewise. * cilk.c (create_parm_list): Likewise. 2015-06-26 Marek Polacek * c-common.c (handle_unused_attribute): Use VAR_OR_FUNCTION_DECL_P. 2015-06-25 Andrew MacLeod * c-common.c: Remove ipa-ref.h and plugin-api.h from include list. * c-gimplify.c: Likewise. * c-pragma.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. 2015-06-25 Richard Sandiford * c-common.c (c_type_hasher): Inherit from ggc_ptr_hash rather than ggc_hasher. 2015-06-25 Andrew MacLeod * cilk.c: Move calls.h after tm.h in the include chain. 2015-06-25 Marek Polacek * array-notation-common.c: Use VAR_P throughout. * c-ada-spec.c: Likewise. * c-common.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-omp.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * cilk.c: Likewise. 2015-06-25 Marek Polacek * cilk.c (extract_free_variables): Use is_global_var. 2015-06-23 Richard Sandiford * c-common.c: Don't include target-def.h. 2015-06-23 Marek Polacek * c-common.c (warn_logical_operator): Use tree_int_cst_equal when comparing INTEGER_CSTs. 2015-06-22 Pierre-Marie de Rodat * c-ada-spec.h (cpp_operation): Add HAS_DEPENDENT_TEMPLATE_ARGS. * c-ada-spec.c (collect_ada_nodes): Skip NAMESPACE_DECL (dump_ada_template): Skip partially specialized types. 2015-06-22 Mikhail Maltsev * c-common.c (scalar_to_vector): Use std::swap instead of manually swapping. 2015-06-17 Andrew MacLeod * array-notation-common.c: Do not include input.h, line-map.h or is-a.h. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. 2015-06-13 Patrick Palka PR c++/65168 * c-common.c (c_common_truthvalue_conversion): Warn when converting an address of a reference to a truth value. 2015-06-08 Andrew MacLeod * array-notation-common.c : Adjust include files. * c-ada-spec.c : Likewise. * c-cilkplus.c : Likewise. * c-common.c : Likewise. * c-common.h : Likewise. * c-cppbuiltin.c : Likewise. * c-dump.c : Likewise. * c-format.c : Likewise. * c-gimplify.c : Likewise. * c-indentation.c : Likewise. * c-lex.c : Likewise. * c-omp.c : Likewise. * c-opts.c : Likewise. * c-pch.c : Likewise. * c-ppoutput.c : Likewise. * c-pragma.c : Likewise. * c-pretty-print.c : Likewise. * c-semantics.c : Likewise. * c-ubsan.c : Likewise. * cilk.c : Likewise. * stub-objc.c : Likewise. 2015-06-08 Marek Polacek PR c/66415 * c-format.c (location_from_offset): Return LOC if LINE is null. 2015-06-05 Aldy Hernandez * c-common.h (c_parse_final_cleanups): New prototype. * c-opts.c (c_common_parse_file): Call c_parse_final_cleanups. 2015-06-04 Sriraman Tallam * c-common.c (noplt): New attribute. (handle_noplt_attribute): New handler. 2015-06-04 Andrew MacLeod * array-notation-common.c: Adjust includes for restructured coretypes.h. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. 2015-06-02 David Malcolm PR c/66220: * c-indentation.c (should_warn_for_misleading_indentation): Use expand_location rather than expand_location_to_spelling_point. Don't warn if the guarding statement is more indented than the next/body stmts. 2015-06-02 David Malcolm * c-indentation.c (warn_for_misleading_indentation): Bail out immediately if -Wmisleading-indentation isn't enabled. 2015-06-01 Martin Liska * c-format.c (check_format_arg):Use new type-based pool allocator. (check_format_info_main) Likewise. 2015-05-31 Eric Botcazou * c-ada-spec.c (is_tagged_type): Test for TYPE_METHODS on main variant. (has_nontrivial_methods): Likewise. 2015-05-25 Marek Polacek * c-ubsan.c (ubsan_instrument_shift): Use type0. 2015-05-22 Marek Polacek PR c/47043 * c-common.c (handle_deprecated_attribute): Allow CONST_DECL. 2015-05-21 Trevor Saunders * c-cppbuiltin.c (c_cpp_builtins): Use if instead of #if with STACK_GROWS_DOWNWARD. 2015-05-21 Trevor Saunders * c-cppbuiltin.c (c_cpp_builtins): Check the value of STACK_GROWS_DOWNWARD rather than if it is defined. 2015-05-21 Manuel López-Ibáñez PR c/52952 * c-format.c (location_column_from_byte_offset): New. (location_from_offset): New. (struct format_wanted_type): Add offset_loc field. (check_format_info): Move handling of location for extra arguments closer to the point of warning. (check_format_info_main): Pass the result of location_from_offset to warning_at. (format_type_warning): Pass the result of location_from_offset to warning_at. 2015-05-20 Marek Polacek * c-omp.c (check_omp_for_incr_expr): Use BINARY_CLASS_P. 2015-05-20 Marek Polacek * c-ada-spec.c (dump_sloc): Use DECL_P. 2015-05-20 Marek Polacek * c-pragma.c: Use VAR_OR_FUNCTION_DECL_P throughout. * c-common.c: Likewise. 2015-05-19 David Malcolm * c-common.h (fe_file_change): Strengthen param from const line_map * to const line_map_ordinary *. (pp_file_change): Likewise. * c-lex.c (fe_file_change): Likewise. (cb_define): Use linemap_check_ordinary when invoking SOURCE_LINE. (cb_undef): Likewise. * c-opts.c (c_finish_options): Use linemap_check_ordinary when invoking cb_file_change. (c_finish_options): Likewise. (push_command_line_include): Likewise. (cb_file_change): Strengthen param "new_map" from const line_map * to const line_map_ordinary *. * c-ppoutput.c (cb_define): Likewise for local "map". (pp_file_change): Likewise for param "map" and local "from". 2015-05-19 Mikhail Maltsev * c-common.c (shorten_compare): Use std::swap instead of explicit swaps. 2015-05-18 Tom de Vries * c-common.c (build_va_arg_1): New function. (build_va_arg): Add address operator to va_list operand if necessary. 2015-05-15 Mikhail Maltsev PR c/48956 * c-common.c (int_safely_convertible_to_real_p): Define. (unsafe_conversion_p): Check conversions involving complex types. (conversion_warning): Add new warning message for conversions which discard imaginary component. * c-common.h: (enum conversion_safety): Add new enumerator for such conversions. 2015-05-14 Marek Polacek PR c/66066 PR c/66127 * c-common.c (c_fully_fold): Pass false down to c_fully_fold_internal. (c_fully_fold_internal): Fold C_MAYBE_CONST_EXPRs with C_MAYBE_CONST_EXPR_INT_OPERANDS set. Add FOR_INT_CONST argument and use it. If FOR_INT_CONST, require that all evaluated operands be INTEGER_CSTs. 2015-05-12 David Malcolm * c-common.h (warn_for_misleading_indentation): New prototype. * c-indentation.c: New file. * c.opt (Wmisleading-indentation): New option. 2015-05-12 Tom de Vries PR tree-optimization/66010 * c-common.c (build_va_arg): Don't mark ap addressable unless necessary. 2015-05-09 Jason Merrill * c-opts.c (c_common_post_options): Also clear cpp_opts->cpp_warn_cxx11_compat. * c-common.h (enum cxx_dialect): Add cxx_unset. * c-common.c (cxx_dialect): Initialize to cxx_unset. * c-opts.c (c_common_post_options): Set C++ dialect to C++98 if unset. * c.opt (std=c++14): Remove Undocumented flag and experimental warning. (std=gnu++0x): Mark as Undocumented. (std=gnu++1y): Add deprecated message. 2015-05-08 Jason Merrill * c.opt (Wc++11-compat): Make primary. Rename var warn_cxx11_compat. * c-opts.c: Adjust. * c.opt (Wc++0x-compat): Also set cpp_warn_cxx11_compat. 2015-05-08 Marek Polacek PR c/64918 * c.opt (Woverride-init-side-effects): New option. 2015-05-07 Marek Polacek PR c/65179 * c-common.c (c_fully_fold_internal): Warn when left shifting a negative value. * c.opt (Wshift-negative-value): New option. * c-opts.c (c_common_post_options): Set warn_shift_negative_value when -Wextra and C99/C++11 mode. 2015-05-07 Marek Polacek Martin Uecker * c-ubsan.c (ubsan_instrument_bounds): Don't skip instrumenting flexible member array-like members if SANITIZE_BOUNDS_STRICT. 2015-05-05 Jason Merrill * c.opt (Wterminate): New. 2015-04-30 Marek Polacek * c-common.c (maybe_warn_bool_compare): When comparing with 0/1, require that the non-constant be of a boolean type. 2015-04-29 Josh Triplett * c-common.c (handle_section_attribute): Refactor to reduce nesting and distinguish between error cases. 2015-04-29 Marek Polacek PR c/64610 * c-common.c (maybe_warn_bool_compare): Warn when comparing a boolean with 0/1. 2015-04-29 Jakub Jelinek * c-common.h (omp_clause_mask): Unconditionally define as a class. Use uint64_t instead of unsigned HOST_WIDE_INT and 64 instead of HOST_BITS_PER_WIDE_INT. 2015-04-28 Tom de Vries PR tree-optimization/65887 * c-common.c (build_va_arg): Mark va_arg ap argument as addressable. 2015-04-28 Eric Botcazou Pierre-Marie de Rodat * c-ada-spec.c (in_function): Delete. (dump_generic_ada_node): Do not change in_function and remove the redundant code dealing with it. (print_ada_declaration): Do not change in_function. Use INDENT_INCR. (print_ada_methods): Output the static member functions in a nested package after the regular methods as well as associated renamings. 2015-04-24 Marek Polacek PR c/65830 * c-common.c (c_fully_fold_internal): Use OPT_Wshift_count_negative and OPT_Wshift_count_overflow. PR c/63357 * c-common.c (warn_logical_operator): Warn if the operands have the same expressions. 2015-04-24 Marek Polacek PR c/61534 * c-common.c (warn_logical_operator): Bail if either operand comes from a macro expansion. 2015-04-10 Bernhard Reutner-Fischer PR target/55143 * c-common.c (c_default_pointer_mode): Add definition. * c-common.h (c_default_pointer_mode): Add declaration. 2015-03-11 Jakub Jelinek * c-common.c (c_common_nodes_and_builtins): Don't call xstrdup on record_builtin_type argument. 2015-03-10 Jakub Jelinek PR c/65120 * c-common.c (warn_logical_not_parentheses): Don't warn for !x == 0 or !x != 0. 2015-03-07 Marek Polacek PR sanitizer/65280 * c-ubsan.c (ubsan_instrument_bounds): Check for COMPONENT_REF before trying to figure out whether we have a flexible array member. 2015-03-06 Eric Botcazou Jonathan Wakely * c-ada-spec.c (dump_ada_double_name): Fix pasto. 2015-03-05 Eric Botcazou PR ada/65319 * c-ada-spec.c (print_destructor): Remove obsolete code. 2015-03-01 Eric Botcazou * c-ada-spec.c (is_tagged_type): Add guard for DECL_VINDEX. (dump_template_types): Adjust DECL_TEMPLATE_INSTANTIATIONS and DECL_TEMPLATE_RESULT emulations. (dump_ada_template)): Add guard for TYPE_METHODS. 2015-02-27 Marek Polacek PR c/65040 * c.opt (Wformat-signedness): Don't enable by -Wformat=2. 2015-02-27 Kai Tietz PR c/35330 * c-pragma.c (handle_pragma_weak): Do not try to create weak/alias of declarations not being function, or variable declarations. 2015-02-24 Thomas Schwinge PR libgomp/64625 * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12): Remove macros. (DEF_FUNCTION_TYPE_VAR_7, DEF_FUNCTION_TYPE_VAR_11): New macros. 2015-02-16 Marek Polacek PR c/65066 * c-format.c (check_format_types): Handle null param. 2015-02-13 Marek Polacek PR c/65040 * c-format.c (check_format_types): Don't warn about different signedness if the original value is in the range of WANTED_TYPE. 2015-02-12 Jason Merrill PR c++/64956 * c-opts.c (c_common_post_options): Change flag_abi_version from 0 to the current highest version. * c-cppbuiltin.c (c_cpp_builtins): Assert that it isn't 0. 2015-02-04 Jakub Jelinek PR c/64824 PR c/64868 * c-omp.c (c_finish_omp_atomic): Use TRUNC_DIV_EXPR instead of RDIV_EXPR. Use build_binary_op instead of build2_loc. 2015-01-30 Joseph Myers * c-opts.c, c-pch.c, cppspec.c: All callers of fatal_error changed to pass input_location as first argument. 2015-01-23 Tom de Vries PR libgomp/64672 * c.opt (fopenacc): Mark as LTO option. 2015-01-23 Tom de Vries PR libgomp/64707 * c.opt (fopenmp): Mark as LTO option. 2015-01-21 Jakub Jelinek PR c/63307 * cilk.c (fill_decls_vec): Only put decls into vector v. (compare_decls): Fix up formatting. 2015-01-21 Igor Zamyatin PR c/63307 * cilk.c: Include vec.h. (struct cilk_decls): New structure. (wrapper_parm_cb): Split this function to... (fill_decls_vec): ...this... (create_parm_list): ...and this. (compare_decls): New function. (for_local_cb): Remove. (wrapper_local_cb): Ditto. (build_wrapper_type): For now first traverse and fill vector of declarations then sort it and then deal with sorted vector. (cilk_outline): Ditto. (declare_one_free_variable): Ditto. 2015-01-21 Jason Merrill PR c++/64629 * c-format.c (check_format_arg): Call decl_constant_value. 2015-01-19 Martin Liska * c-common.c (handle_noicf_attribute): New function. 2015-01-15 Thomas Schwinge Bernd Schmidt James Norris Cesar Philippidis Ilmir Usmanov Jakub Jelinek * c.opt (fopenacc): New option. * c-cppbuiltin.c (c_cpp_builtins): Conditionally define _OPENACC. * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12): New macros. * c-common.h (c_finish_oacc_wait): New prototype. * c-omp.c: Include "omp-low.h" and "gomp-constants.h". (c_finish_oacc_wait): New function. * c-pragma.c (oacc_pragmas): New variable. (c_pp_lookup_pragma, init_pragma): Handle it. * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_CACHE, PRAGMA_OACC_DATA, PRAGMA_OACC_ENTER_DATA, PRAGMA_OACC_EXIT_DATA, PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP, PRAGMA_OACC_PARALLEL, PRAGMA_OACC_UPDATE, PRAGMA_OACC_WAIT. (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ASYNC, PRAGMA_OACC_CLAUSE_AUTO, PRAGMA_OACC_CLAUSE_COLLAPSE, PRAGMA_OACC_CLAUSE_COPY, PRAGMA_OACC_CLAUSE_COPYIN, PRAGMA_OACC_CLAUSE_COPYOUT, PRAGMA_OACC_CLAUSE_CREATE, PRAGMA_OACC_CLAUSE_DELETE, PRAGMA_OACC_CLAUSE_DEVICE, PRAGMA_OACC_CLAUSE_DEVICEPTR, PRAGMA_OACC_CLAUSE_FIRSTPRIVATE, PRAGMA_OACC_CLAUSE_GANG, PRAGMA_OACC_CLAUSE_HOST, PRAGMA_OACC_CLAUSE_IF, PRAGMA_OACC_CLAUSE_NUM_GANGS, PRAGMA_OACC_CLAUSE_NUM_WORKERS, PRAGMA_OACC_CLAUSE_PRESENT, PRAGMA_OACC_CLAUSE_PRESENT_OR_COPY, PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYIN, PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYOUT, PRAGMA_OACC_CLAUSE_PRESENT_OR_CREATE, PRAGMA_OACC_CLAUSE_PRIVATE, PRAGMA_OACC_CLAUSE_REDUCTION, PRAGMA_OACC_CLAUSE_SELF, PRAGMA_OACC_CLAUSE_SEQ, PRAGMA_OACC_CLAUSE_VECTOR, PRAGMA_OACC_CLAUSE_VECTOR_LENGTH, PRAGMA_OACC_CLAUSE_WAIT, PRAGMA_OACC_CLAUSE_WORKER. 2015-01-14 Marcos Diaz * c-cppbuiltin.c (c_cpp_builtins): New cpp define __SSP_EXPLICIT__ for the new option fstack-protector_explicit. * c-common.c (c_common_attribute_table): Add stack_protect attribute. (handle_stack_protect_attribute): New function. 2015-01-13 Martin Uecker * c.opt: New option -Warray-bounds=. 2015-01-09 Michael Collison * array-notation-common.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * c-ada-spec.c: Ditto. * c-cilkplus.c: Ditto. * c-common.c: Include input.h due to flattening of tree.h. Define macro GCC_C_COMMON_C. * c-common.h: Flatten tree.h header files into c-common.h. Remove include of tree-core.h. * c-cppbuiltin.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * c-dump.c: Ditto. * c-format.c: Flatten tree.h header files into c-common.h. * c-cppbuiltin.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * c-dump.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * c-format.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, inchash.h and real.h due to flattening of tree.h. * c-gimplify.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * cilk.c: Ditto. * c-lex.c: Ditto. * c-omp.c: Ditto. * c-opts.c: Ditto. * c-pch.c: Ditto. * c-ppoutput.c: Ditto. * c-pragma.c: Ditto. * c-pretty-print.c: Ditto. * c-semantics.c: Ditto. * c-ubsan.c: Ditto. * stub-objc.c: Ditto. 2015-01-08 Jason Merrill * c-ubsan.c (ubsan_maybe_instrument_array_ref): Use do_ubsan_in_current_function. (ubsan_maybe_instrument_reference_or_call): Likewise. * c-ubsan.h: Declare it. 2015-01-08 Mike Stump * c-common.c (c_common_attribute_table): Add no_sanitize_thread. 2015-01-07 Marek Polacek PR c/64440 * c-common.c (c_fully_fold_internal): Warn for division and modulo if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST and is zero. 2015-01-05 Trevor Saunders PR c++/31397 * c.opt (Wsuggest-override): New option. 2015-01-05 Jakub Jelinek Update copyright years. 2015-01-05 Marek Polacek PR c/64423 * c-common.c (warn_array_subscript_with_type_char): Add location_t parameter. Use it. * c-common.h (warn_array_subscript_with_type_char): Update declaration. 2014-12-20 Edward Smith-Rowland <3dw4rd@verizon.net> * c-cppbuiltin.c (__cpp_sized_deallocation): Uncomment and move macro. Control macro with flag_sized_deallocation. 2014-12-20 Martin Uecker * c.opt (Wdiscarded-array-qualifiers): New option. 2014-12-19 Jakub Jelinek PR preprocessor/63831 * c-cppbuiltin.c (c_cpp_builtins): Don't define __has_attribute and __has_cpp_attribute here. * c-ppoutput.c (init_pp_output): Set cb->has_attribute to c_common_has_attribute. * c-common.h (c_common_has_attribute): New prototype. * c-lex.c (init_c_lex): Set cb->has_attribute to c_common_has_attribute instead of cb_has_attribute. (get_token_no_padding): New function. (cb_has_attribute): Renamed to ... (c_common_has_attribute): ... this. No longer static. Use get_token_no_padding, require ()s, don't build TREE_LIST unnecessarily, fix up formatting, adjust diagnostics, call init_attributes. 2014-12-15 Jason Merrill * c.opt (-fsized-deallocation, -Wc++14-compat): New. (-Wsized-deallocation): New. * c-opts.c (c_common_post_options): -fsized-deallocation defaults to on in C++14 and up. 2014-12-11 Jason Merrill * c-cppbuiltin.c (c_cpp_builtins): Enable C++14 __cpp_constexpr. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_runtime_arrays if we aren't complaining about VLAs. 2014-12-06 Marek Polacek PR tree-optimization/64183 * c-gimplify.c (c_gimplify_expr): Don't convert the RHS of a shift-expression if it is integer_type_node. Use types_compatible_p. 2014-11-29 Jakub Jelinek * c-common.c (convert_vector_to_pointer_for_subscript): Remove NULL last argument from create_tmp_var_raw and create_tmp_var calls. * cilk.c (gimplify_cilk_spawn): Likewise. * c-omp.c (c_finish_omp_atomic): Likewise. 2014-11-28 Marek Polacek * c-ubsan.c (ubsan_instrument_shift): Use op1_utype for MINUS_EXPR instead of unsigned_type_node. 2014-11-28 Marek Polacek PR c/63862 * c-ubsan.c (ubsan_instrument_shift): Change the type of a MINUS_EXPR to op1_utype. * c-gimplify.c (c_gimplify_expr): Convert right operand of a shift expression to unsigned_type_node. 2014-11-20 Mark Wielaard PR debug/38757 * c-opts.c (set_std_c89): Set lang_hooks.name. (set_std_c99): Likewise. (set_std_c11): Likewise. (set_std_cxx98): Likewise. (set_std_cxx11): Likewise. (set_std_cxx14): Likewise. (set_std_cxx1z): Likewise. 2014-11-21 Jakub Jelinek PR target/63764 * c-common.h (convert_vector_to_pointer_for_subscript): Change return type to bool. * c-common.c: Include gimple-expr.h. (convert_vector_to_pointer_for_subscript): Change return type to bool. If *vecp is not lvalue_p and has VECTOR_TYPE, return true and copy it into a TARGET_EXPR and use that instead of *vecp directly. 2014-11-19 David Malcolm Merger of git branch "gimple-classes-v2-option-3". * ChangeLog.gimple-classes: New. * c-gimplify.c (add_block_to_enclosing): Strengthen local "stack" from being just a vec to a vec. 2014-11-18 Jakub Jelinek PR sanitizer/63813 * c-ubsan.c (ubsan_maybe_instrument_reference_or_call): Change type argument to ptype, set type to TREE_TYPE (ptype). Don't call get_pointer_alignment for non-pointers. Use ptype, or if it is reference type, corresponding pointer type, as type of kind argument. (ubsan_maybe_instrument_reference, ubsan_maybe_instrument_member_call): Adjust callers. 2014-11-15 Marek Polacek PR middle-end/63884 * array-notation-common.c (is_sec_implicit_index_fn): Return false for NULL fndecl. (extract_array_notation_exprs): Return for NULL node. 2014-11-12 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define and undefine __NO_MATH_ERRNO__ based on changes to -fmath-errno state. 2014-11-12 Jakub Jelinek PR c/59708 * c-common.c (check_builtin_function_arguments): Handle BUILT_IN_{ADD,SUB,MUL}_OVERFLOW. 2014-11-10 Andi Kleen PR c/60804 * c-common.h (check_no_cilk): Declare. * cilk.c (get_error_location): New function. (check_no_cilk): Dito. 2014-11-10 Andi Kleen * cilk.c (recognize_spawn): Use expression location for error message. 2014-11-10 Paolo Carlini * c.opt ([Wshift-count-negative, Wshift-count-overflow]): Add. 2014-11-10 Edward Smith-Rowland <3dw4rd@verizon.net> * c-cppbuiltin.c (__has_attribute, __has_cpp_attribute): New macros; (__cpp_rtti, __cpp_exceptions): New macros for C++98; (__cpp_range_based_for, __cpp_initializer_lists, __cpp_delegating_constructors, __cpp_nsdmi, __cpp_inheriting_constructors, __cpp_ref_qualifiers): New macros for C++11; (__cpp_attribute_deprecated): Remove in favor of __has_cpp_attribute. * c-lex.c (cb_has_attribute): New callback CPP function; (init_c_lex): Set has_attribute callback. 2014-11-04 Richard Biener * c-common.c (shorten_compare): Do not shorten mixed DFP and non-DFP compares. 2014-11-01 Edward Smith-Rowland <3dw4rd@verizon.net> * g++.dg/cpp1y/feat-cxx11.C: Commentary and rearrangement of tests. * g++.dg/cpp1y/feat-cxx11-neg.C: Add aggregate NSDMI test. Commentary and rearrangement of tests. * g++.dg/cpp1y/feat-cxx14.C: Enable aggregate NSDMI test. Commentary and rearrangement of tests. * g++.dg/cpp1y/feat-cxx98-neg.C: Ditto. * g++.dg/cpp1y/feat-cxx98.C: Commentary. 2014-10-29 Richard Sandiford * c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant enum from machine_mode. 2014-10-28 Andrew MacLeod * c-common.c: Adjust include files. * c-gimplify.c: Ditto. * cilk.c: Ditto. * c-pragma.c: Ditto. * c-ubsan.c: Ditto. 2014-10-27 Andrew MacLeod * c-gimplify.c: Adjust include files. 2014-10-26 Manuel López-Ibáñez PR c++/53061 * c-opts.c (c_common_diagnostics_set_defaults): Renamed from c_common_initialize_diagnostics. * c-common.h: Likewise. 2014-10-24 Marek Polacek PR c/56980 * c-pretty-print.c (c_pretty_printer::simple_type_specifier): Don't print "struct"/"union"/"enum" for typedefed names. 2014-10-23 Marek Polacek * c-ubsan.c (ubsan_instrument_shift): Perform the MINUS_EXPR in unsigned type. 2014-10-22 Jakub Jelinek Yury Gribov * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift, ubsan_instrument_vla): Check bits in flag_sanitize_recover bitmask instead of flag_sanitize_recover as bool flag. 2014-10-21 Kirill Yukhin * cilk.c: Revert previous change. 2014-10-20 Igor Zamyatin PR c/63307 * cilk.c: Include vec.h. (struct cilk_decls): New structure. (wrapper_parm_cb): Split this function to... (fill_decls_vec): ...this... (create_parm_list): ...and this. (compare_decls): New function. (for_local_cb): Remove. (wrapper_local_cb): Ditto. (build_wrapper_type): For now first traverse and fill vector of declarations then sort it and then deal with sorted vector. (cilk_outline): Ditto. (declare_one_free_variable): Ditto. 2014-10-17 Marek Polacek * c-opts.c (c_common_post_options): Set warn_implicit_int. * c.opt (Wimplicit-int): Initialize to -1. 2014-10-16 Andrew MacLeod * c-pragma.c: Adjust include files. * c-semantics.c: Likewise. 2014-10-16 DJ Delorie * c-cppbuiltin.c (cpp_atomic_builtins): Don't assume pointers are multiples of bytes. 2014-10-14 Jason Merrill PR c++/63455 * c-common.h (CPP_PREPARSED_EXPR): New. (N_CP_TTYPES): Adjust. 2014-10-15 Marek Polacek * c-opts.c (c_common_init_options): Make -std=gnu11 the default for C. 2014-10-14 DJ Delorie * c-pretty-print.c (pp_c_integer_constant): Check for all __intN types, not just __int128. * c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN types, not just __int128. (cpp_atomic_builtins): Round pointer sizes up. (type_suffix): Use type precision, not specific types. * c-common.c (c_common_reswords): Remove __int128 special case. (c_common_type_for_size): Check for all __intN types, not just __int128. (c_common_type_for_mode): Likewise. (c_common_signed_or_unsigned_type): Likewise. (c_build_bitfield_integer_type): Likewise. (c_common_nodes_and_builtins): Likewise. (keyword_begins_type_specifier): Likewise. * c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all __intN variants. 2014-10-12 Trevor Saunders * c-common.c: Use hash_table instead of hashtab. 2014-10-06 Edward Smith-Rowland <3dw4rd@verizon.net> * c-cppbuiltin.c: Move __cpp_attribute_deprecated to the C++11 section. 2014-10-03 Marc Glisse PR c++/54427 PR c++/57198 PR c++/58845 * c-common.c (warn_logical_operator): Punt for vectors. 2014-10-01 Edward Smith-Rowland <3dw4rd@verizon.net> Implement SD-6: SG10 Feature Test Recommendations * c-cppbuiltin.c (c_cpp_builtins()): Define language feature macros and the __has_header macro. 2014-09-30 Jason Merrill * c-common.h (enum rid): Add RID_IS_TRIVIALLY_ASSIGNABLE and RID_IS_TRIVIALLY_CONSTRUCTIBLE. * c-common.c (c_common_reswords): Add __is_trivially_copyable. * c-common.h (enum rid): Add RID_IS_TRIVIALLY_COPYABLE. * c-common.c (c_common_reswords): Add __is_trivially_copyable. * c-common.h (enum rid): Remove RID_IS_CONVERTIBLE_TO. * c-common.c (c_common_reswords): Remove __is_convertible_to. 2014-09-24 Marek Polacek PR c/61405 PR c/53874 * c-common.h (struct c_common_resword): Don't define CPP_KEYWORD. 2014-09-23 Andi Kleen * c-common.c (handle_no_reorder_attribute): New function. (c_common_attribute_table): Add no_reorder attribute. 2014-09-22 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_*_EXCESS_PRECISION__ macros for supported floating-point modes. 2014-09-18 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_*_FUNC_EXT__ for supported floating-point modes. 2014-09-15 Manuel López-Ibáñez * c.opt (Wpsabi): Use LangEnabledBy. * c-opts.c (c_common_handle_option): Do not handle here. 2014-09-12 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_HAS_%s_MODE__ macros for floating-point modes. 2014-09-11 Marc Glisse PR target/58757 * c-cppbuiltin.c (builtin_define_float_constants): Correct __*_DENORM_MIN__ without denormals. 2014-09-10 Jakub Jelinek * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift, ubsan_instrument_vla, ubsan_instrument_return): Adjust ubsan_create_data callers. (ubsan_instrument_bounds): Don't emit UBSAN_BOUNDS at all if index is constant or BIT_AND_EXPR with constant mask and is small enough for the bound. * c-gimplify.c (ubsan_walk_array_refs_r): For ADDR_EXPR of ARRAY_REF, make sure the inner ARRAY_REF is not walked again. 2014-09-09 Manuel López-Ibáñez * c.opt: Add CppReason to various flags. (Wdate-time): Re-sort. * c-common.c: Include c-common.h earlier. (struct reason_option_codes_t): Delete. (c_option_controlling_cpp_error): Prefix global type and struct with cpp_. 2014-09-09 Manuel López-Ibáñez * c.opt (Wnormalized): New. (Wnormalized=): Use Enum and Reject Negative. * c-opts.c (c_common_handle_option): Do not handle Wnormalized here. 2014-09-08 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Define macros for mantissa digits of floating-point modes if -fbuilding-libgcc. 2014-09-05 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Also define __LIBGCC_EH_TABLES_CAN_BE_READ_ONLY__, __LIBGCC_EH_FRAME_SECTION_NAME__, __LIBGCC_JCR_SECTION_NAME__, __LIBGCC_CTORS_SECTION_ASM_OP__, __LIBGCC_DTORS_SECTION_ASM_OP__, __LIBGCC_TEXT_SECTION_ASM_OP__, __LIBGCC_INIT_SECTION_ASM_OP__, __LIBGCC_INIT_ARRAY_SECTION_ASM_OP__, __LIBGCC_STACK_GROWS_DOWNWARD__, __LIBGCC_DONT_USE_BUILTIN_SETJMP__, __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__, __LIBGCC_DWARF_FRAME_REGISTERS__, __LIBGCC_EH_RETURN_STACKADJ_RTX__, __LIBGCC_JMP_BUF_SIZE__, __LIBGCC_STACK_POINTER_REGNUM__ and __LIBGCC_VTABLE_USES_DESCRIPTORS__ for -fbuilding-libgcc. (builtin_define_with_value): Handle backslash-escaping in string macro values. 2014-09-05 Richard Biener PR middle-end/63148 * c-format.c (check_format_arg): Properly handle effectively signed POINTER_PLUS_EXPR offset. 2014-09-04 Manuel López-Ibáñez * c.opt (Wc90-c99-compat,Wc++-compat,Wcomment,Wendif-labels, Winvalid-pch,Wlong-long,Wmissing-include-dirs,Wmultichar,Wpedantic, (Wdate-time,Wtraditional,Wundef,Wvariadic-macros): Add CPP, Var and Init. * c-opts.c (c_common_handle_option): Do not handle here. (sanitize_cpp_opts): Likewise. * c-common.c (struct reason_option_codes_t): Handle CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC. 2014-09-03 Marek Polacek * c.opt (Wlogical-not-parentheses): Enable by -Wall. 2014-09-02 Jakub Jelinek Balaji V. Iyer Igor Zamyatin * c-cilkplus.c (cilk_for_number_of_iterations): New function. * c-common.c (c_common_reswords): Added _Cilk_for. * c-common.h (enum rid): Added RID_CILK_FOR. (cilk_for_number_of_iterations): Add declaration. * c-omp.c (c_finish_omp_for): Added checks for CILK_SIMD and CILK_FOR. * c-pragma.c (init_pragma): Register "grainsize" pragma. * c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_GRAINSIZE. 2014-08-29 Manuel López-Ibáñez * c.opt (Wbuiltin-macro-redefined,Wdeprecated,Wendif-labels, Winvalid-pch,Wliteral-suffix,Wmissing-include-dirs,Wtrigraphs, Wundef): Use CPP, Var and Init. * c-opts.c (c_common_handle_option): Do not handle the above flags here. 2014-08-29 Manuel López-Ibáñez * c.opt (Wbuiltin-macro-redefined): Use CPP, Var and Init. * c-opts.c (c_common_handle_option): Do not handle here. 2014-08-25 Jason Merrill * c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for -std=c++14 and -std=gnu++14, rather than the reverse. * c-opts.c (c_common_handle_option): Change OPT_std_c__1y and OPT_std_gnu__1y to OPT_std_c__14 and OPT_std_gnu__14. * c-common.h (cxx_dialect): Remove cxx1y. 2014-08-23 Edward Smith-Rowland <3dw4rd@verizon.net> * c-common.h (enum cxx_dialect): Add cxx14. * c-opts.c (set_std_cxx1y): Rename to set_std_cxx14; Use cxx14. * c-ubsan.c (ubsan_instrument_shift): Change comment and logic from cxx_dialect == cxx11 || cxx_dialect == cxx1y to cxx_dialect >= cxx11. 2014-08-22 Jason Merrill * c.opt (std=gnu++17): Fix alias. 2014-08-22 Marek Polacek PR c++/62199 * c-common.c (warn_logical_not_parentheses): Don't check LHS. Don't check for vector types. Drop LHS argument. * c-common.h (warn_logical_not_parentheses): Adjust. 2014-08-22 Manuel López-Ibáñez * c.opt (Wcomment): Use CPP, Var and LangEnabledBy. (Wmultichar): Likewise. (Wdate-time): Use C-family languages instead of Common. Use CPP and Var. * c-opts.c (c_common_handle_option): Do not handle the above options here. (sanitize_cpp_opts): Likewise. 2014-08-21 Manuel López-Ibáñez PR fortran/44054 * c-opts.c: Include tree-diagnostics.h. (c_diagnostic_finalizer): New. (c_common_initialize_diagnostics): Use it. 2014-08-20 Manuel López-Ibáñez PR preprocessor/51303 * c-common.c (struct reason_option_codes_t option_codes): Add CPP_W_MISSING_INCLUDE_DIRS. Sort alphabetically. 2014-08-20 Manuel López-Ibáñez PR c/60975 PR c/53063 * c.opt (Wvariadic-macros): Use CPP and LangEnabledBy. * c-opts.c (c_common_handle_option): Call cpp_handle_option_auto. (c_common_post_options): Call init_global_opts_from_cpp. (sanitize_cpp_opts): Do not handle Wvariadic-macros here. 2014-08-19 Marek Polacek PR c++/62153 * c-common.c (maybe_warn_bool_compare): New function. * c-common.h (maybe_warn_bool_compare): Declare. * c.opt (Wbool-compare): New option. 2014-08-19 Marek Polacek * c.opt (Wc99-c11-compat): New option. 2014-08-19 Marek Polacek * c-opts.c (sanitize_cpp_opts): Make warn_long_long be set according to warn_c90_c99_compat. * c.opt (Wc90-c99-compat, Wdeclaration-after-statement): Initialize to -1. 2014-08-19 Manuel López-Ibáñez Steven Bosscher PR c/52952 * c-format.c: Add extra_arg_loc and format_string_loc to struct format_check_results. (check_function_format): Use true and add comment for boolean argument. (finish_dollar_format_checking): Use explicit location when warning. (check_format_info): Likewise. (check_format_arg): Set extra_arg_loc and format_string_loc. (check_format_info_main): Use explicit location when warning. (check_format_types): Pass explicit location. (format_type_warning): Likewise. 2014-08-15 Manuel López-Ibáñez PR fortran/44054 * c-format.c: Handle Fortran flags. 2014-08-12 Igor Zamyatin PR other/61962 * array-notation-common.c (find_rank): Added handling for other types of references. 2014-08-10 Marek Polacek PR c/51849 * c-opts.c (sanitize_cpp_opts): Pass warn_c90_c99_compat to libcpp. * c.opt (Wc90-c99-compat): Add option. 2014-08-07 Trevor Saunders * c-gimplify.c, cilk.c: Remove includes of pointer-set.h. 2014-08-03 Marek Polacek * c-common.c (check_case_value): Add location_t parameter. Use it. (c_add_case_label): Pass loc to check_case_value. 2014-08-02 Trevor Saunders * cilk.c: Use hash_map instead of pointer_map. 2014-08-02 Trevor Saunders * c-gimplify.c: Use hash_set instead of pointer_set. 2014-08-01 Igor Zamyatin PR middle-end/61455 * array-notation-common.c (extract_array_notation_exprs): Handling of DECL_EXPR added. 2014-08-01 Jakub Jelinek * c-common.h (min_align_of_type): Removed prototype. * c-common.c (min_align_of_type): Removed. * c-ubsan.h (ubsan_maybe_instrument_reference, ubsan_maybe_instrument_member_call): New prototypes. * c-ubsan.c: Include stor-layout.h and builtins.h. (ubsan_maybe_instrument_reference_or_call, ubsan_maybe_instrument_reference, ubsan_maybe_instrument_call): New functions. 2014-07-31 Marc Glisse PR c++/60517 * c.opt (-Wreturn-local-addr): Move to common.opt. 2014-07-30 Jason Merrill PR c++/61659 PR c++/61687 Revert: * c.opt (-fuse-all-virtuals): New. 2014-07-30 Tom Tromey PR c/59855 * c.opt (Wdesignated-init): New option. * c-common.c (c_common_attribute_table): Add "designated_init". (handle_designated_init): New function. 2014-07-24 Marek Polacek PR c/57653 * c-opts.c (c_finish_options): If -imacros is in effect, return. 2014-07-16 Dodji Seketeli PR preprocessor/60723 - missing system-ness marks for macro tokens * c-ppoutput.c (struct print::prev_was_system_token): New data member. (init_pp_output): Initialize it. (maybe_print_line_1, maybe_print_line, print_line_1, print_line) (do_line_change): Return a flag saying if a line marker was emitted or not. (scan_translation_unit): Detect if the system-ness of the token we are about to emit is different from the one of the previously emitted token. If so, emit a line marker. Avoid emitting useless adjacent line markers. Avoid emitting line markers for tokens originating from the expansion of built-in macros. (scan_translation_unit_directives_only): Adjust. 2014-07-15 Marek Polacek * c-ubsan.c (ubsan_instrument_bounds): Don't instrument if TYPE_MAX_VALUE is NULL. 2014-07-14 Jakub Jelinek PR middle-end/61294 * c.opt (Wmemset-transposed-args): New warning. 2014-07-10 Jason Merrill PR c++/61659 PR c++/61687 * c.opt (-fuse-all-virtuals): New. 2014-07-09 Richard Biener PR c-family/61741 * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions using unsigned arithmetic if overflow does not wrap instead of if overflow is undefined. 2014-07-06 Marek Polacek PR c/6940 * c.opt (Wsizeof-array-argument): New option. 2014-07-03 Jakub Jelinek * c-ada-spec.c (dump_ada_nodes): Don't call qsort if comments->count <= 1, as comments->entries might be NULL. 2014-07-01 Marek Polacek * c.opt (Wint-conversion): New option. 2014-07-01 Marek Polacek PR c/58286 * c.opt (Wincompatible-pointer-types): New option. 2014-06-30 Paolo Carlini PR c++/51400 * c-common.c (handle_noreturn_attribute, handle_const_attribute): Do not discard TYPE_QUALS of type. 2014-06-26 Jason Merrill * c-common.h (enum cxx_dialect): Add cxx1z. * c.opt (std=c++1z, std=c++17, std=gnu++1z, std=gnu++17): New. * c-opts.c (c_common_handle_option, set_std_cxx1z): Handle it. 2014-06-26 Teresa Johnson * c-common.h (get_dump_info): Declare. * c-gimplify.c (c_genericize): Use saved dump files. * c-opts.c (c_common_parse_file): Begin and end dumps once around parsing invocation. (get_dump_info): New function. 2014-06-23 Marek Polacek Andrew MacLeod PR c/61553 * c-common.c (get_atomic_generic_size): Don't segfault if the type doesn't have a size. 2014-06-20 Marek Polacek * c-gimplify.c: Include "c-ubsan.h" and "pointer-set.h". (ubsan_walk_array_refs_r): New function. (c_genericize): Instrument array bounds. * c-ubsan.c: Include "internal-fn.h". (ubsan_instrument_division): Mark instrumented arrays as having side effects. Adjust ubsan_type_descriptor call. (ubsan_instrument_shift): Likewise. (ubsan_instrument_vla): Adjust ubsan_type_descriptor call. (ubsan_instrument_bounds): New function. (ubsan_array_ref_instrumented_p): New function. (ubsan_maybe_instrument_array_ref): New function. * c-ubsan.h (ubsan_instrument_bounds): Declare. (ubsan_array_ref_instrumented_p): Declare. (ubsan_maybe_instrument_array_ref): Declare. 2014-06-20 Hale Wang PR lto/61123 * c.opt (fshort-enums): Add to LTO. * c.opt (fshort-wchar): Likewise. 2014-06-16 Marek Polacek PR c/60439 * c.opt (Wswitch-bool): Add Var. 2014-06-12 Jakub Jelinek PR middle-end/61486 * c-omp.c (c_omp_split_clauses): Don't crash on firstprivate in #pragma omp target teams or #pragma omp {,target }teams distribute simd. 2014-06-12 Jason Merrill * c.opt (Wabi=, fabi-compat-version): New. * c-opts.c (c_common_handle_option): Handle -Wabi=. (c_common_post_options): Handle flag_abi_compat_version default. Disallow -fabi-compat-version=1. * c-common.h (abi_version_crosses): New. 2014-06-11 Jan Hubicka * c-common.c (handle_section_attribute): Update handling for section names that are no longer trees. 2014-06-10 Jakub Jelinek PR fortran/60928 * c-pragma.c (omp_pragmas_simd): Move PRAGMA_OMP_TASK... (omp_pragmas): ... back here. 2014-06-05 Marek Polacek PR c/49706 * c-common.c (warn_logical_not_parentheses): New function. * c-common.h (warn_logical_not_parentheses): Declare. * c.opt (Wlogical-not-parentheses): New option. 2014-06-04 Marek Polacek PR c/30020 * c-common.c (check_case_bounds): Add location parameter. Use it. (c_add_case_label): Pass loc to check_case_bounds. 2014-06-03 Marek Polacek PR c/60439 * c.opt (Wswitch-bool): New option. 2014-05-22 Thomas Schwinge * c-common.h (c_omp_sharing_predetermined, c_omp_remap_decl): Remove prototypes. (record_types_used_by_current_var_decl): Move prototype to where it belongs. * c-common.c (DEF_FUNCTION_TYPE_0, DEF_FUNCTION_TYPE_6) (DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_8) (DEF_FUNCTION_TYPE_VAR_5): Cosmetic fixes. 2014-05-21 Richard Sandiford * c-common.h (CTI_VOID_ZERO, void_zero_node): Delete. * c-common.c (c_common_nodes_and_builtins): Don't initialize void_zero_node. * c-pretty-print.c (pp_c_void_constant): New function. (c_pretty_printer::constant, c_pretty_printer::primary_expression) (c_pretty_printer::expression): Handle VOID_CST. * cilk.c (extract_free_variables): Likewise. * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift) (ubsan_instrument_vla): Use void_node instead of void_zero_node. 2014-05-17 Trevor Saunders * c-common.h (sorted_fields_type): Remove variable_size GTY attribute. * c-pragma.c (push_alignment): Adjust. (handle_pragma_push_options): Likewise. 2014-05-09 Marek Polacek PR c/50459 * c-common.c (check_user_alignment): Return -1 if alignment is error node. (handle_aligned_attribute): Don't call default_conversion on FUNCTION_DECLs. (handle_vector_size_attribute): Likewise. (handle_tm_wrap_attribute): Handle case when wrap_decl is error node. (handle_sentinel_attribute): Call default_conversion and allow even integral types as an argument. 2014-05-08 Marek Polacek PR c/61053 * c-common.c (min_align_of_type): New function factored out from... (c_sizeof_or_alignof_type): ...here. * c-common.h (min_align_of_type): Declare. 2014-05-08 Marek Polacek PR c/61077 * c-common.c (check_main_parameter_types): Warn for _Atomic-qualified parameter type of main. 2014-05-07 DJ Delorie * c-cppbuiltin.c (print_bits_of_hex): New. (builtin_define_type_minmax): Print values using hex so as not to require a pre-computed list of string values. 2014-05-06 Kenneth Zadeck Mike Stump Richard Sandiford * c-ada-spec.c: Include wide-int.h. (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Remove. (dump_generic_ada_node): Use wide-int interfaces. * c-common.c: Include wide-int-print.h. (shorten_compare): Use wide-int interfaces and tree_int_cst_lt. (pointer_int_sum): Use wide-int interfaces. (c_common_nodes_and_builtins): Use make_int_cst. (match_case_to_enum_1): Use tree_fits_uhwi_p and tree_fits_shwi_p. (handle_alloc_size_attribute): Use wide-int interfaces. (get_nonnull_operand): Likewise. * c-format.c (get_constant): Use tree_fits_uhwi_p. * c-lex.c: Include wide-int.h. (narrowest_unsigned_type): Take a widest_int rather than two HOST_WIDE_INTs. (narrowest_signed_type): Likewise. (interpret_integer): Update accordingly. Use wide-int interfaces. (lex_charconst): Use wide-int interfaces. * c-pretty-print.c: Include wide-int.h. (pp_c_integer_constant): Use wide-int interfaces. * cilk.c (declare_one_free_variable): Use tree_int_cst_lt instead of INT_CST_LT_UNSIGNED. 2014-05-06 Richard Biener * c-opts.c (c_common_post_options): For -freestanding, -fno-hosted and -fno-builtin disable pattern recognition if not enabled explicitely. 2014-05-02 Marek Polacek * c.opt (Wsizeof-pointer-memaccess): Describe option. 2014-05-01 Marek Polacek PR c/43245 * c.opt (Wdiscarded-qualifiers): Add. 2014-04-30 Marek Polacek * c-ubsan.c (ubsan_instrument_division): Handle REAL_TYPEs. Perform INT_MIN / -1 sanitization only for integer types. 2014-04-25 Marek Polacek PR c/18079 * c-common.c (handle_noinline_attribute): Warn if the attribute conflicts with always_inline attribute. (handle_always_inline_attribute): Warn if the attribute conflicts with noinline attribute. 2014-04-25 Marek Polacek PR c/60156 * c-common.c (check_main_parameter_types): Warn about variadic main. 2014-04-24 Mike Stump * c.opt (Wshadow-ivar): Default to on. 2014-04-24 Dimitris Papavasiliou * c.opt (Wshadow-ivar, flocal-ivars, fivar-visibility): Add. 2014-04-23 Marek Polacek * c-common.c (handle_tm_wrap_attribute): Tweak error message. 2014-04-22 Jakub Jelinek PR sanitizer/60275 * c-ubsan.c (ubsan_instrument_return): Return __builtin_trap () if flag_sanitize_undefined_trap_on_error. (ubsan_instrument_division, ubsan_instrument_shift, ubsan_instrument_vla): Likewise. Use __ubsan_handle_*_abort () if !flag_sanitize_recover. 2014-04-22 Marc Glisse PR libstdc++/43622 * c-common.c (registered_builtin_types): Make non-static. * c-common.h (registered_builtin_types): Declare. 2014-04-14 Richard Biener Marc Glisse PR c/60819 * c-common.c (convert_vector_to_pointer_for_subscript): Properly apply may-alias the scalar pointer type when applicable. 2014-04-12 Igor Zamyatin PR middle-end/60467 * cilk.c (cilk_set_spawn_marker): Remove FUNCTION_DECL as possible argument for Cilk_spawn. 2014-04-11 Tobias Burnus PR c/60194 * c.opt (Wformat-signedness): Add * c-format.c(check_format_types): Use it. 2014-04-11 Jason Merrill PR c++/57926 * c-common.c (sync_resolve_size, get_atomic_generic_size): Call default_conversion for an array argument. 2014-04-08 Marek Polacek PR sanitizer/60745 * c-ubsan.c: Include asan.h. (ubsan_instrument_return): Call initialize_sanitizer_builtins. 2014-04-03 Nathan Sidwell * c.opt (Wnon-virtual-dtor): Auto set when Weffc++. 2014-04-02 Marek Polacek * c-common.h (c_expand_expr): Remove declaration. 2014-03-28 Jakub Jelinek PR c++/60689 * c-common.c (add_atomic_size_parameter): When creating new params vector, push the size argument first. 2014-03-26 Jakub Jelinek * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift, ubsan_instrument_vla, ubsan_instrument_return): Adjust ubsan_create_data callers. 2014-03-22 Jakub Jelinek PR debug/60603 * c-opts.c (c_finish_options): Restore cb_file_change call to . 2014-03-13 Jakub Jelinek PR middle-end/36282 * c-pragma.c (apply_pragma_weak): Only look at TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)) if DECL_ASSEMBLER_NAME_SET_P (decl). (maybe_apply_pending_pragma_weaks): Exit early if vec_safe_is_empty (pending_weaks) rather than only when !pending_weaks. (maybe_apply_pragma_weak): Likewise. If !DECL_ASSEMBLER_NAME_SET_P, set assembler name back to NULL afterwards. 2014-03-11 Jason Merrill * c.opt: Add -std=gnu++14. 2014-03-11 Ian Bolton * c-opts.c (c_common_post_options): Don't override -ffp-contract=fast if unsafe-math-optimizations is on. 2014-03-08 Paulo Matos * c.opt: Enable LTO FE for fshort-double. 2014-03-07 Jason Merrill * c.opt: Add -std=c++14. 2014-03-06 Marek Polacek PR c/60197 * cilk.c (contains_cilk_spawn_stmt): New function. (contains_cilk_spawn_stmt_walker): Likewise. (recognize_spawn): Give error on invalid use of _Cilk_spawn. * c-common.h (contains_cilk_spawn_stmt): Add declaration. 2014-03-03 Jakub Jelinek * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_SIMD. (init_pragma): Call cpp_register_deferred_pragma for PRAGMA_CILK_SIMD even when flag_preprocess_only. 2014-02-26 Jason Merrill PR c++/59231 PR c++/11586 * c-common.c (shorten_compare): Don't check c_inhibit_evaluation_warnings. 2014-02-19 Jakub Jelinek PR c/37743 * c-common.c (c_common_nodes_and_builtins): When initializing c_uint{16,32,64}_type_node, also set corresponding uint{16,32,64}_type_node to the same value. PR c++/60267 * c-pragma.c (init_pragma): Don't call cpp_register_deferred_pragma for PRAGMA_IVDEP if flag_preprocess_only. 2014-02-12 Jakub Jelinek PR c/60101 * c-common.c (merge_tlist): If copy is true, call new_tlist, if false, add ADD itself, rather than vice versa. (verify_tree): For COND_EXPR, don't call merge_tlist with non-zero copy. For SAVE_EXPR, only call merge_tlist once. 2014-02-08 Jakub Jelinek PR middle-end/60092 * c-common.c (handle_alloc_size_attribute): Use tree_fits_uhwi_p and tree_to_uhwi. (handle_alloc_align_attribute, handle_assume_aligned_attribute): New functions. (c_common_attribute_table): Add alloc_align and assume_aligned attributes. 2014-02-06 Marek Polacek PR c/60087 * c-common.c (warn_for_sign_compare): Call warning_at with location instead of warning. 2014-02-05 Marek Polacek PR c/53123 * c-omp.c (c_finish_omp_atomic): Remove unreachable return statement. 2014-02-04 Marek Polacek PR c/60036 * c-common.c (conversion_warning): Unwrap C_MAYBE_CONST_EXPR and/or SAVE_EXPR. 2014-02-03 Marc Glisse PR c++/53017 PR c++/59211 * c-common.c (handle_aligned_attribute, handle_alloc_size_attribute, handle_vector_size_attribute, handle_nonnull_attribute): Call default_conversion on the attribute argument. (handle_nonnull_attribute): Increment the argument number. 2014-01-31 Marek Polacek PR c/59963 * c-common.c (add_atomic_size_parameter): Pass vNULL to build_function_call_vec. (resolve_overloaded_builtin): Likewise. * c-common.h (build_function_call_vec): Adjust declaration. 2014-01-30 Marek Polacek PR c/59940 * c-common.h (unsafe_conversion_p): Adjust declaration. (warnings_for_convert_and_check): Likewise. (convert_and_check): Likewise. * c-common.c (unsafe_conversion_p): Add location parameter. Call expansion_point_location_if_in_system_header on it. (warnings_for_convert_and_check): Add location parameter. Call expansion_point_location_if_in_system_header on it. Use it. (convert_and_check): Add location parameter. Use it. (conversion_warning): Likewise. (c_add_case_label): Adjust convert_and_check calls. (scalar_to_vector): Adjust unsafe_conversion_p calls. 2014-01-24 Balaji V. Iyer * c-common.c (c_define_builtins): Replaced flag_enable_cilkplus with flag_cilkplus. * c-pragma.c (init_pragma): Likewise. * c.opt: Likewise. 2014-01-23 Marek Polacek PR c/59846 * c-common.c (shorten_compare): Add location_t parameter. * c-common.h (shorten_binary_op): Adjust declaration. 2014-01-23 Marek Polacek PR c/58346 * c-common.c (pointer_to_zero_sized_aggr_p): New function. * c-common.h: Declare it. 2014-01-20 Eric Botcazou * c-ada-spec.h (dump_ada_specs): Revert prototype change. * c-ada-spec.c (dump_ads): Likewise. (cpp_check): Likewise. (dump_ada_specs): Likewise. 2014-01-15 Laurent Alfonsi PR c++/49718 * c-common.c (handle_no_instrument_function_attribute): Allow no_instrument_function attribute in class member definition/declaration. 2014-01-15 Jakub Jelinek PR c/58943 * c-omp.c (c_finish_omp_atomic): Set in_late_binary_op around build_modify_expr with non-NOP_EXPR opcode. Handle return from it being COMPOUND_EXPR. (c_finish_omp_for): Handle incr being COMPOUND_EXPR with first operand a SAVE_EXPR and second MODIFY_EXPR. 2014-01-09 Jakub Jelinek PR target/58115 * c-pch.c (c_common_write_pch): Call prepare_target_option_nodes_for_pch. 2014-01-02 Richard Sandiford Update copyright years 2014-01-02 Richard Sandiford * array-notation-common.c, c-cilkplus.c: Use the standard form for the copyright notice. 2013-12-28 Eric Botcazou * c-ada-spec.c (print_constructor): New function. (print_destructor): Retrieve the origin of the destructor. (print_ada_declaration): Revamp handling of constructors/destructors. 2013-12-23 Stuart Hastings Bill Maddox Jason Merrill * c.opt: Add -fdeclone-ctor-dtor. * c-opts.c (c_common_post_options): Default to on iff -Os. 2013-12-18 Balaji V. Iyer * c-common.c (c_common_attribute_table): Added "cilk simd function" attribute. * c-pragma.h (enum pragma_cilk_clause): Remove. (enum pragma_omp_clause): Added the following fields: PRAGMA_CILK_CLAUSE_NOMASK, PRAGMA_CILK_CLAUSE_MASK, PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_NONE, PRAGMA_CILK_CLAUSE_LINEAR, PRAGMA_CILK_CLAUSE_PRIVATE, PRAGMA_CILK_CLAUSE_FIRSTPRIVATE, PRAGMA_CILK_CLAUSE_LASTPRIVATE, PRAGMA_CILK_CLAUSE_UNIFORM. 2013-12-11 Balaji V. Iyer * cilk.c (cilk_outline): Made this function non-static. (gimplify_cilk_spawn): Removed pre_p and post_p arguments. (create_cilk_wrapper): Added a new parameter: a function pointer. (c_install_body_w_frame_cleanup): Remove (extract_free_variables): Added VEC_INIT_EXPR and CONSTRUCTOR case. * c-common.h (cilk_outline): New prototype. (gimplify_cilk_spawn): Removed two parameters. (cilk_install_body_with_frame_cleanup): New prototype. * c-gimplify.c (c_gimplify_expr): Added MODIFY_EXPR, CALL_EXPR and CILK_SPAWN_STMT case. 2013-12-11 Bernd Schmidt * c-common.c (c_fully_fold_internal): Handle ADDR_SPACE_CONVERT_EXPR. * c-common.h (enum c_tree_index): Remove CTI_INT_ARRAY_TYPE. (int_array_type_node): Remove. * c-common.c (c_common_nodes_and_builtins): Don't build it. 2013-12-05 Marek Polacek PR c/52023 * c-common.c (c_sizeof_or_alignof_type): Move a declaration into [ADJUST_FIELD_ALIGN]. 2013-12-04 Joseph Myers PR c/52023 * c-common.c (c_sizeof_or_alignof_type): Add parameter min_alignof and check field alignment if set. * c-common.h (c_sizeof_or_alignof_type): Update prototype. (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type. 2013-12-04 Jakub Jelinek Marek Polacek * c-gimplify.c (c_gimplify_expr): If doing the integer-overflow sanitization, call unsigned_type_for only when !TYPE_OVERFLOW_WRAPS. 2013-11-29 H.J. Lu PR c/59309 * cilk.c (gimplify_cilk_spawn): Properly handle function without arguments. 2013-11-29 Jakub Jelinek PR c/59280 * c-common.c (get_priority): If TREE_VALUE (args) is IDENTIFIER_NODE, goto invalid. If it is error_mark_node, don't issue further diagnostics. 2013-11-28 Sergey Ostanevich * c.opt (Wopenmp-simd): New. 2013-11-22 Jakub Jelinek * c-ubsan.h (ubsan_instrument_return): New prototype. * c-ubsan.c (ubsan_instrument_return): New function. 2013-11-22 Andrew MacLeod * c-common.c: Add required include files from gimple.h. * c-gimplify.c: Likewise. * cilk.c: Likewise. 2013-11-22 David Malcolm * c-common.c (unsafe_conversion_p): Remove use of EXPR_LOC_OR_HERE macro. (conversion_warning): Likewise. (warnings_for_convert_and_check): Likewise. (warn_for_collisions_1): Likewise. (shorten_compare): Likewise, and remove use of in_system_header macro, using the location from the former. * c-lex.c (dump_one_header): Remove use of input_filename macro. (cb_def_pragma): Remove use of in_system_header macro. (lex_string): Likewise. * c-pragma.c (handle_pragma_float_const_decimal64): Likewise. 2013-11-20 Kenneth Zadeck Mike Stump Richard Sandiford * c-ada-spec.c (is_simple_enum): Use tree_to_shwi and tree_to_uhwi instead of TREE_INT_CST_LOW, in cases where there is a protecting tree_fits_shwi_p or tree_fits_uhwi_p. (dump_generic_ada_node): Likewise. * c-format.c (check_format_arg): Likewise. * c-pretty-print.c (pp_c_integer_constant): Likewise. 2013-11-20 Kenneth Zadeck * c-common.c (check_function_arguments_recurse): Use tree_to_uhwi. 2013-11-19 Joshua J Cogliati PR c/53001 * c-common.c (unsafe_conversion_p): Make this function return an enumeration with more detail. (conversion_warning): Use the new return type of unsafe_conversion_p to separately warn either about conversions that lower floating point number precision or about the other kinds of conversions. * c-common.h (enum conversion_safety): New enumeration. (unsafe_conversion_p): switching return type to conversion_safety enumeration. * c.opt: Adding new warning -Wfloat-conversion and enabling it with -Wconversion. 2013-11-19 Basile Starynkevitch * c-opts.c: Include plugin.h. (cb_file_change): Invoke plugin event PLUGIN_INCLUDE_FILE. 2013-11-19 Marek Polacek * c-ubsan.c (ubsan_instrument_division): Adjust ubsan_create_data call. (ubsan_instrument_shift): Likewise. (ubsan_instrument_vla): Likewise. 2013-11-18 Richard Sandiford * c-common.c (convert_vector_to_pointer_for_subscript): Remove cast to unsigned type. 2013-11-18 Richard Sandiford * c-common.c (fold_offsetof_1): Use tree_to_uhwi rather than tree_low_cst. (complete_array_type): Update comment to refer to tree_to_[su]hwi rather than tree_low_cst. 2013-11-18 Richard Sandiford * c-common.c, c-cppbuiltin.c: Replace tree_low_cst (..., 1) with tree_to_uhwi throughout. 2013-11-18 Richard Sandiford * c-common.c, c-format.c, c-omp.c, c-pretty-print.c: Replace tree_low_cst (..., 0) with tree_to_shwi throughout. 2013-11-18 Richard Sandiford * c-ada-spec.c, c-common.c, c-pretty-print.c: Replace host_integerp (..., 1) with tree_fits_uhwi_p throughout. 2013-11-18 Richard Sandiford * c-ada-spec.c, c-common.c, c-format.c, c-pretty-print.c: Replace host_integerp (..., 0) with tree_fits_shwi_p throughout. 2013-11-15 Aldy Hernandez * c-cilkplus.c: New file. * c-common.c (readonly_error): Add location argument. * c-common.h (readonly_error): Same. (c_finish_cilk_clauses): Protoize. (c_check_cilk_loop): Same. c-omp.c (c_finish_omp_for): Handle CILK_SIMD nodes. Do not fail on error_mark_node. Abstract increment canonicalization to here... (c_omp_for_incr_canonicalize_ptr): New. c-pragma.c (init_pragma): Register "simd" pragma. c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_SIMD. (enum pragma_cilk_clause): New. 2013-11-15 Richard Sandiford * c-pretty-print.c (pp_c_character_constant): Remove unnecessary wchar_type and host_integerp checks. 2013-11-14 Andrew MacLeod * c-common.c: Likewise. * c-gimplify.c: Likewise. * cilk.c: Likewise. 2013-11-14 Diego Novillo * c-common.c: Include fold-const.h. Include stor-layout.h. Include calls.h. Include stringpool.h. Include attribs.h. Include varasm.h. Include trans-mem.h. * c-cppbuiltin.c: Include stor-layout.h. Include stringpool.h. * c-format.c: Include stringpool.h. * c-lex.c: Include stringpool.h. Include stor-layout.h. * c-pragma.c: Include stringpool.h. Include attribs.h. Include varasm.h. Include gcc-symtab.h. * c-pretty-print.c: Include stor-layout.h. Include attribs.h. * cilk.c: Include stringpool.h. Include calls.h. 2013-11-13 Joseph Myers * c-common.h (enum rid): Add RID_AUTO_TYPE. * c-common.c (c_common_reswords): Add __auto_type. (keyword_begins_type_specifier): Handle RID_AUTO_TYPE. 2013-11-12 Andrew MacLeod * c-common.c: Include gimplify.h. * c-gimplify.c: Likewise. * cilk.c: Likewise. * c-omp.c: Include gimple-expr.h instead of gimple.h. * c-ubsan.c: Don't include gimple.h. 2013-11-12 Joseph Myers * c-common.c (c_common_reswords): Add _Thread_local. 2013-11-09 Joseph Myers * c-common.c (atomic_size_supported_p): New function. (resolve_overloaded_atomic_exchange) (resolve_overloaded_atomic_compare_exchange) (resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Use it instead of comparing size with a local list of sizes. 2013-11-07 Andrew MacLeod Joseph Myers * c-common.h (enum rid): Add RID_ATOMIC. * c-common.c (c_common_reswords): Add _Atomic. (sync_resolve_params): Use TYPE_MAIN_VARIANT on pointer argument. (keyword_is_type_qualifier): Accept RID_ATOMIC. * c-format.c (check_format_types): Check for extra _Atomic qualifiers in format argument. * c-pretty-print.c (pp_c_cv_qualifiers): Handle atomic qualifier. (pp_c_type_qualifier_list): Mention _Atomic in comment. 2013-11-06 Tobias Burnus * c-common.c (reason_option_codes_t): Add CPP_W_DATE_TIME. 2013-11-06 Joseph Myers * c-opts.c (c_common_post_options): Set -ffp-contract=off in C standards modes. * c-cppbuiltin.c (cpp_iec_559_value): Consider -ffp-contract=fast to mean lack of IEEE 754 support. 2013-11-05 Tobias Burnus * c.opt (-Wdate-time): New option * c-opts.c (sanitize_cpp_opts): Pass on to libcpp. 2013-11-05 Joseph Myers * c-cppbuiltin.c (cpp_iec_559_value): Test flag_excess_precision_cmdline not flag_excess_precision. 2013-11-05 Tobias Burnus * c.opt (fopenmp-simd): New option. * c-pragma.c (omp_pragmas): Move pragmas which can contain simd to ... (omp_pragmas): ... this new struct. (c_pp_lookup_pragma): Also walk omp_pragmas. (init_pragma): Init pragmas for -fopenmp-simd. 2013-11-04 Marek Polacek PR c++/58979 * c-common.c (invalid_indirection_error): Handle RO_ARROW_STAR case. 2013-11-04 Joseph Myers * c-cppbuiltin.c (cpp_iec_559_value, cpp_iec_559_complex_value): New functions. (c_cpp_builtins): Define __GCC_IEC_559 and __GCC_IEC_559_COMPLEX. 2013-11-04 Eric Botcazou * c-ada-spec.h (cpp_operation): Add IS_TRIVIAL. (dump_ada_specs): Adjust prototype of second callback. * c-ada-spec.c (cpp_check): New global variable. (dump_ada_nodes): Remove cpp_check parameter and do not pass it down. (print_generic_ada_decl): Likewise. (has_static_fields): Change return type to bool and add guard. (has_nontrivial_methods): New predicate. (is_tagged_type): Change return type to bool. (separate_class_package): Call has_nontrivial_methods. (pp_ada_tree_identifier): Minor tweaks. (dump_ada_function_declaration): Adjust calls to dump_generic_ada_node. (dump_ada_array_domains): Likewise. (dump_ada_array_type): Likewise. (dump_template_types): Remove cpp_check parameter and do not pass it to dump_generic_ada_node. (dump_ada_template): Likewise. (dump_generic_ada_node): Remove cpp_check parameter and do not pass it recursively. (print_ada_methods): Change return type to integer. Remove cpp_check parameter and do not pass it down. (dump_nested_types): Remove cpp_check parameter and do not pass it to dump_generic_ada_node. (print_ada_declaration): Likewise. Test RECORD_OR_UNION_TYPE_P before accessing methods. (print_ada_struct_decl): Remove cpp_check parameter and do not pass it down. Use has_nontrivial_methods to recognize C++ classes. Use return value of print_ada_methods. (dump_ads): Rename cpp_check parameter to check and adjust prototype. Set cpp_check to it before invoking dump_ada_nodes. (dump_ada_specs): Likewise. 2013-11-03 Marek Polacek * c-ubsan.c: Don't include hash-table.h. (ubsan_instrument_vla): New function. * c-ubsan.h: Declare it. 2013-10-31 David Malcolm Automated part of renaming of symtab_node_base to symtab_node. Patch autogenerated by rename_symtab.py from https://github.com/davidmalcolm/gcc-refactoring-scripts revision 58bb219cc090b2f4516a9297d868c245495ee622 * c-pragma.c (maybe_apply_pending_pragma_weaks): Rename symtab_node_base to symtab_node. 2013-10-31 Edward Smith-Rowland <3dw4rd@verizon.net> Implement C++14 digit separators. * c-lex.c (interpret_float): Remove digit separators from scratch string before building real literal. 2013-10-30 Jakub Jelinek * cilk.c (create_cilk_helper_decl): Use HOST_WIDE_INT_PRINT_DEC. 2013-10-29 Balaji V. Iyer * c-common.c (c_common_reswords[]): Added _Cilk_spawn and _Cilk_sync fields. (c_define_builtins): Called cilk_init_builtins if Cilk Plus is enabled. * c-common.h (enum rid): Added RID_CILK_SPAWN and RID_CILK_SYNC. (insert_cilk_frame): New prototype. (cilk_init_builtins): Likewise. (gimplify_cilk_spawn): Likewise. (c_cilk_install_body_w_frame_cleanup): Likewise. (cilk_detect_spawn_and_unwrap): Likewise. (cilk_set_spawn_marker): Likewise. (build_cilk_sync): Likewise. (build_cilk_spawn): Likewise. * cilk.c: New file. 2013-10-29 David Malcolm Patch autogenerated by refactor_symtab.py from https://github.com/davidmalcolm/gcc-refactoring-scripts revision 58bb219cc090b2f4516a9297d868c245495ee622 * c-gimplify.c (c_genericize): Update for conversion of symtab types to a true class hierarchy. * c-pragma.c (maybe_apply_pending_pragma_weaks): Likewise. 2013-10-27 Richard Sandiford * c-lex.c (interpret_integer): Remove call to cpp_num_sign_extend. 2013-10-26 Jeff Law * c-common.c (c_define_builtins): Remove mudflap support. * c.opt: Ignore and warn for mudflap options. 2013-10-24 Tobias Burnus PR other/33426 * c-pragma.c (init_pragma) Add #pragma ivdep handling. * c-pragma.h (pragma_kind): Add PRAGMA_IVDEP. 2013-10-23 Jason Merrill * c-format.c (gcc_cxxdiag_char_table): Add %X. 2013-10-11 Jakub Jelinek * c-common.h (omp_clause_mask::operator !=): New method. * c-omp.c (c_omp_split_clauses): Use if ((mask & something) != 0) instead of if (mask & something) tests everywhere. * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP to 201307 instead of 201107. * c-common.c (DEF_FUNCTION_TYPE_8): Define. (c_common_attribute_table): Add "omp declare target" and "omp declare simd" attributes. (handle_omp_declare_target_attribute, handle_omp_declare_simd_attribute): New functions. * c-omp.c: Include c-pragma.h. (c_finish_omp_taskgroup): New function. (c_finish_omp_atomic): Add swapped argument, if true, build the operation first with rhs, lhs arguments and use NOP_EXPR build_modify_expr. (c_finish_omp_for): Add code argument, pass it down to make_code. (c_omp_split_clauses): New function. (c_split_parallel_clauses): Removed. (c_omp_declare_simd_clause_cmp, c_omp_declare_simd_clauses_to_numbers, c_omp_declare_simd_clauses_to_decls): New functions. * c-common.h (omp_clause_mask): New type. (OMP_CLAUSE_MASK_1): Define. (omp_clause_mask::omp_clause_mask, omp_clause_mask::operator &=, omp_clause_mask::operator |=, omp_clause_mask::operator ~, omp_clause_mask::operator |, omp_clause_mask::operator &, omp_clause_mask::operator <<, omp_clause_mask::operator >>, omp_clause_mask::operator ==): New methods. (enum c_omp_clause_split): New. (c_finish_omp_taskgroup): New prototype. (c_finish_omp_atomic): Add swapped argument. (c_finish_omp_for): Add code argument. (c_omp_split_clauses): New prototype. (c_split_parallel_clauses): Removed. (c_omp_declare_simd_clauses_to_numbers, c_omp_declare_simd_clauses_to_decls): New prototypes. * c-pragma.c (omp_pragmas): Add new OpenMP 4.0 constructs. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_CANCEL, PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_DECLARE_REDUCTION, PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_SIMD, PRAGMA_OMP_TARGET, PRAGMA_OMP_TASKGROUP and PRAGMA_OMP_TEAMS. Remove PRAGMA_OMP_PARALLEL_FOR and PRAGMA_OMP_PARALLEL_SECTIONS. (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALIGNED, PRAGMA_OMP_CLAUSE_DEPEND, PRAGMA_OMP_CLAUSE_DEVICE, PRAGMA_OMP_CLAUSE_DIST_SCHEDULE, PRAGMA_OMP_CLAUSE_FOR, PRAGMA_OMP_CLAUSE_FROM, PRAGMA_OMP_CLAUSE_INBRANCH, PRAGMA_OMP_CLAUSE_LINEAR, PRAGMA_OMP_CLAUSE_MAP, PRAGMA_OMP_CLAUSE_NOTINBRANCH, PRAGMA_OMP_CLAUSE_NUM_TEAMS, PRAGMA_OMP_CLAUSE_PARALLEL, PRAGMA_OMP_CLAUSE_PROC_BIND, PRAGMA_OMP_CLAUSE_SAFELEN, PRAGMA_OMP_CLAUSE_SECTIONS, PRAGMA_OMP_CLAUSE_SIMDLEN, PRAGMA_OMP_CLAUSE_TASKGROUP, PRAGMA_OMP_CLAUSE_THREAD_LIMIT, PRAGMA_OMP_CLAUSE_TO and PRAGMA_OMP_CLAUSE_UNIFORM. 2013-10-09 Marc Glisse PR tree-optimization/20318 * c-common.c (handle_returns_nonnull_attribute): New function. (c_common_attribute_table): Add returns_nonnull. 2013-10-03 Marc Glisse PR c++/19476 * c.opt (fcheck-new): Move to common.opt. 2013-09-25 Marek Polacek Jakub Jelinek PR sanitizer/58413 * c-ubsan.c (ubsan_instrument_shift): Don't instrument an expression if we can prove it is correct. (ubsan_instrument_division): Likewise. Remove unnecessary check. 2013-09-18 Marek Polacek PR sanitizer/58411 * c-common.c (handle_no_sanitize_undefined_attribute): New function. Declare it. (struct attribute_spec c_common_att): Add no_sanitize_undefined. 2013-09-14 Iain Sandoe PR target/48094 * c.opt (fgnu-runtime, fnext-runtime, fobjc-abi-version, fobjc-gc, freplace-objc-classes): Accept for LTO. 2013-09-13 Jacek Caban * c-target.def: New hook 2013-09-09 Paolo Carlini PR c++/43452 * c.opt (Wdelete-incomplete): Add. 2013-09-08 Joern Rennecke * c-common.c (same_scalar_type_ignoring_signedness): Delete. (vector_types_compatible_elements_p): New function. * c-common.h: (same_scalar_type_ignoring_signedness): Delete declaration. (vector_types_compatible_elements_p): Declare. 2013-09-04 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::simple_type_specifier): Now a virtual member function. (pp_simple_type_specifier): Remove. (pp_c_type_specifier): Likewise. * c-pretty-print.c (c_pretty_printer::simple_type_specifier): Rename from pp_c_type_specifier. Adjust. (c_pretty_printer::c_pretty_printer): Do not assign to simple_type_specifier. 2013-09-03 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::type_id): Now a virtual member function. (c_pretty_printer::storage_class_specifier): Likewise. (c_pretty_printer::initializer): Likewise. (pp_declaration): Remove. (pp_declaration_specifiers): Likewise. (pp_abstract_declarator): Likewise. (pp_declarator): Likewise. (pp_type_id): Likewise. (pp_statement): Likewise. (pp_constant): Likewise. (pp_id_expression): Likewise. (pp_primary_expression): Likewise. (pp_unary_expression): Likewise. (pp_multiplicative_expression): Likewise. (pp_conditional_expression): Likewise. (pp_assignment_expression): Likewise. (pp_expression): Likewise. (pp_c_type_id): Likewise. (pp_c_storage_class_specifier): Likewise. * c-pretty-print.c (pp_c_type_cast): Tidy. (pp_c_pointer): Likewise. (pp_c_type_specifier): Likewise. (pp_c_parameter_type_list): Likewise. (pp_c_function_definition): Likewise. (pp_c_init_declarator): Likewise. (pp_c_initializer_list): Likewise. (pp_c_constructor_elts): Likewise. (c_pretty_printer::direct_abstract_declarator): Likewise. (c_pretty_printer::declaration_specifiers): Likewise. (c_pretty_printer::primary_expression): Likewise. (c_pretty_printer::postfix_expression): Likewise. (c_pretty_printer::type_id): Rename from pp_c_type_id. (c_pretty_printer::storage_class_specifier): Rename from pp_c_storage_class_specifier. (c_pretty_printer::initializer): Rename from pp_c_initializer. (c_pretty_printer::c_pretty_printer): Do not assign to type_id, storage_class_specifier, initializer, offset_list, flags. 2013-08-30 Marek Polacek * c-ubsan.c: New file. * c-ubsan.h: New file. 2013-08-30 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::declaration): Now a virtual member function. (c_pretty_printer::declaration_specifiers): Likewise. (c_pretty_printer::declarator): Likewise. (c_pretty_printer::abstract_declarator): Likewise. (c_pretty_printer::direct_abstract_declarator): Likewise. (c_pretty_printer::direct_declarator): Likewise. (c_pretty_printer::function_specifier): Likewise. (pp_declaration): Adjust. (pp_declaration_specifiers): Likewise. (pp_abstract_declarator): Likewise. (pp_direct_declarator): Likewise. (pp_function_specifier): Likewise. (pp_direct_abstract_declarator): Remove as unused. (pp_c_declaration): Remove. (pp_c_declaration_specifiers): Likewise. (pp_c_declarator): Likewise. (pp_c_direct_declarator): Likewise. (pp_c_function_specifier): Likewise. (pp_c_direct_abstract_declarator): Likewise. * c-pretty-print.c (c_pretty_printer::abstract_declarator): Rename from pp_c_abstract_declarator. Adjust. (c_pretty_printer::direct_abstract_declarator): Rename from pp_c_direct_abstract_declarator. Adjust. (c_pretty_printer::function_specifier): Rename from pp_c_function_specifier. Adjust. (c_pretty_printer::declaration_specifiers): Rename from pp_c_declaration_specifiers. Adjust. (c_pretty_printer::direct_declarator): Rename from pp_c_direct_declarator. Adjust. (c_pretty_printer::declarator): Rename from pp_c_declarator. Adjust. (c_pretty_printer::declaration): Rename from pp_c_declaration. Adjust. (c_pretty_printer::c_pretty_printer): Do not assign to declaration, declaration_specifiers, declarator, direct_declarator, direct_abstract_declarator, function_specifier. 2013-08-26 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::unary_expression): Now a virtual member function. (c_pretty_printer::multiplicative_expression): Likewise. (c_pretty_printer::conditional_expression): Likewise. (c_pretty_printer::assignment_expression): Likewise. (c_pretty_printer::expression): Likewise. (pp_unary_expression): Adjust. (pp_multiplicative_expression): Likewise. (pp_assignment_expression): Likewise. (pp_conditional_expression): Likewise. (pp_expression): Likewise. * c-pretty-print.c (c_pretty_printer::unary_expression): Rename from pp_c_unary_expression. Adjust. (c_pretty_printer::multiplicative_expression): Rename from pp_c_multiplicative_expression. Adjust. (c_pretty_printer::conditional_expression): Rename from pp_c_conditional_expression. Adjust. (c_pretty_printer::assignment_expression): Rename from pp_c_assignment_expression. Adjust. (c_pretty_printer::expression): Rename from pp_c_expression. Adjust. (c_pretty_printer::c_pretty_printer): Do not assign to unary_expression, multiplicative_expression, conditional_expression, expression. 2013-08-25 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::postfix_expression): Now a virtual member function. (pp_postfix_expression): Adjust. (pp_c_postfix_expression): Remove. * c-pretty-print.c (c_pretty_printer::postfix_expression): Rename from pp_c_postfix_expression. Adjust. (c_pretty_printer::c_pretty_printer): Do not assign to postfix_expression. 2013-08-25 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::primary_expression): Now a virtua member function. (pp_primary_expression): Adjust. (pp_c_primary_expression): Remove. * c-pretty-print.c (c_pretty_printer::primary_expression): Rename from pp_c_primary_expression. Adjust. (pp_c_initializer_list): Use pp_primary_expression. (c_pretty_printer::c_pretty_printer): Do not assign to primary_expression. 2013-08-25 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::translate_string): Declare. * c-pretty-print.c (M_): Remove. (c_pretty_printer::translate_string): Define. (pp_c_type_specifier): Use it. (pp_c_primary_expression): Likewise. (pp_c_expression): Likewise. 2013-08-24 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::id_expression): Now a virtual function. (pp_c_id_expression): Remove. (pp_id_expression): Adjust. * c-pretty-print.c (c_pretty_printer::id_expression): Rename from pp_c_id_expression. Adjust. (pp_c_postfix_expression): Use pp_id_expression. (c_pretty_printer::c_pretty_printer): Do not assign to id_expression. 2013-08-24 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer::constant): Now a virtual member function. (pp_constant): Adjust. (pp_c_constant): Remove. * c-pretty-print.c (c_pretty_printer::constant): Rename from pp_c_constant. Adjust. (pp_c_constant) (pp_c_primary_expression): Call pp_constant in lieu of pp_c_constant. (c_pretty_printer::c_pretty_printer): Remove assignment to constant. 2013-08-22 Gabriel Dos Reis * c-pretty-print.h (pp_c_pretty_printer_init): Remove. (c_pretty_printer::c_pretty_printer): Declare. * c-pretty-print.c (pretty_printer::c_pretty_printer): Rename from c_pretty_printer_init. Adjust. (print_c_tree): Do not call c_pretty_printer_init. * c-ada-spec.c (dump_ads): Remove call to pp_construct. 2013-08-09 Arnaud Charlet * c-ada-spec.c (print_ada_declaration): Prevent accessing null asm name 2013-08-05 Paolo Carlini PR c++/58080 * c-common.c (pointer_int_sum): Add bool parameter. * c-common.h (pointer_int_sum): Adjust declaration. 2013-08-05 Gabriel Dos Reis * c-pretty-print.c (print_c_tree): Simplify. Use non-static local c_pretty_printer variable. 2013-08-04 Gabriel Dos Reis * c-pretty-print.h (c_pretty_printer): Derive from pretty_printer. (pp_base): Remove. (pp_c_base): Likewise. Adjust users. * c-pretty-print.c (pp_c_maybe_whitespace): Adjust. (pp_c_whitespace): Do not call pp_base. (pp_c_left_paren): Likewise. (pp_c_right_paren): Likewise. (pp_c_left_brace): Likewise. (pp_c_right_brace): Likewise. (pp_c_left_bracket): Likewise. (pp_c_right_bracket): Likewise. (pp_c_dot): Likewise. (pp_c_ampersand): Likewise. (pp_c_star): Likewise. (pp_c_arrow): Likewise. (pp_c_semicolon): Likewise. (pp_c_complement): Likewise. (pp_c_exclamation): Likewise. (pp_c_direct_declarator): Likewise. (pp_c_ws_string): Likewise. (pp_c_identifier): Likewise. (pp_c_statement): Likewise. (print_c_tree): Likewise. 2013-08-04 Ed Smith-Rowland <3dw4rd@verizon.net> PR c++/58072 * c-common.c (c_parse_error): Catch user-defined literal tokens and provide useful error strings. 2013-08-03 Gabriel Dos Reis * c-ada-spec.c (pp_ada_tree_identifier): Use specialized pretty printer functions instead of pp_string or operators and punctuators. (dump_generic_ada_node): Likewise. * c-pretty-print.c (pp_c_type_specifier): Likewise. (pp_c_relational_expression): Likewise. (pp_c_logical_or_expression): Likewise. 2013-08-03 Gabriel Dos Reis * c-ada-spec.c (print_ada_macros): Use specialized pretty printer functions instead of pp_character. (pp_ada_tree_identifier): Likewise. (dump_ada_double_name): Likewise. (dump_ada_function_declaration): Likewise. (dump_ada_array_domains): Likewise. (dump_template_types): Likewise. (dump_generic_ada_node): Likewise. (print_ada_declaration): Likewise. (print_ada_struct_decl): Likewise. * c-pretty-print.c (pp_c_integer_constant): Likewise. 2013-07-23 Tom Tromey * c-common.h (enum rid) : New constant. * c-common.c (c_common_reswords): Add _Generic. 2013-07-21 Ondřej Bílka * c-common.c: Fix typos. * c-common.h: Likewise. 2013-07-13 Lubos Lunak PR c++/55203 * c-common.c (c_common_attribute_table): Add warn_unused. (handle_warn_unused_attribute): New. 2013-07-10 Jakub Jelinek * c-ppoutput.c (scan_translation_unit): Call account_for_newlines for all CPP_TOKEN_FLD_STR tokens, not just CPP_COMMENT. 2013-07-10 Paolo Carlini PR c++/57869 * c.opt: Add Wconditionally-supported. 2013-07-08 Graham Stott * array-notation-common.c (length_mismatch_in_expr_p): Delete unused variables l_length and l_node. 2013-07-04 Joern Rennecke PR c/57821 * c-common.c (complete_array_type): Delay folding first index like other indices. When folding, check for index overflow. 2013-06-27 Marc Glisse PR c++/57509 * c-common.h (c_build_vec_perm_expr): New complain argument. * c-common.c (c_build_vec_perm_expr): Likewise. Use save_expr also in C++. 2013-06-22 Gabriel Dos Reis * c-common.c (c_common_nodes_and_builtins): Use cxx11 in lieu of cxx0x. * c-cppbuiltin.c (c_cpp_builtins): Likewise. * c-opts.c (c_common_post_options): Likewise. 2013-06-21 Balaji V. Iyer * array-notation-common.c (length_mismatch_in_expr): Changed the parameter type's from a dynamic array to a vec_tree. Also removed the size parameters. * c-common.h (length_mismatch_in_expr_p): Fixed prototype's as per the change above. 2013-06-21 Balaji V. Iyer * c-common.h (struct cilkplus_an_parts): New structure. (struct cilkplus_an_loop_parts): Likewise. (cilkplus_extract_an_triplets): New prototype. (fix_sec_implicit_args): Likewise. * array-notation-common.c (cilkplus_extract_an_triplets): New function. (fix_sec_implicit_args): Likewise. 2013-06-20 Balaji V. Iyer * array-notation-common.c (find_inv_trees): Removed an unwanted typecasting. * c-common.h (struct inv_list::additional_tcodes): Changed type from enum rid to enum tree_code. 2013-06-11 Jan Hubicka * c-common.c (handle_alias_ifunc_attribute): Do not set DECL_EXTERNAL for weakref variables. * c-pragma.c (handle_pragma_weak): Make sure aliases are not declared as external. 2013-06-07 Balaji V. Iyer * array-notation-common.c (length_mismatch_in_expr_p): Moved this function from c/c-array-notation.c. (is_cilkplus_reduce_builtin): Likewise. (find_rank): Likewise. (extract_array_notation_exprs): Likewise. (replace_array_notations): Likewise. (find_inv_trees): Likewise. (replace_inv_trees): Likewise. (contains_array_notation_expr): Likewise. (find_correct_array_notation_type): Likewise. * c-common.h (struct inv_list): Moved this struct from the file c/c-array-notation.c and added a new field called additional tcodes. (length_mismatch_in_expr_p): New prototype. (is_cilkplus_reduce_builtin): Likewise. (find_rank): Likewise. (extract_array_notation_exprs): Likewise. (replace_array_notation): Likewise. (find_inv_trees): Likewise. (replace_inv_trees): Likewise. (find_correct_array_notation_type): Likewise. 2013-05-28 Balaji V. Iyer * c-common.c (c_define_builtins): When cilkplus is enabled, the function array_notation_init_builtins is called. (c_common_init_ts): Added ARRAY_NOTATION_REF as typed. * c-common.def (ARRAY_NOTATION_REF): New tree. * c-common.h (build_array_notation_expr): New function declaration. (build_array_notation_ref): Likewise. (extract_sec_implicit_index_arg): New extern declaration. (is_sec_implicit_index_fn): Likewise. (ARRAY_NOTATION_CHECK): New define. (ARRAY_NOTATION_ARRAY): Likewise. (ARRAY_NOTATION_START): Likewise. (ARRAY_NOTATION_LENGTH): Likewise. (ARRAY_NOTATION_STRIDE): Likewise. * c-pretty-print.c (pp_c_postifix_expression): Added a new case for ARRAY_NOTATION_REF. (pp_c_expression): Likewise. * c.opt (flag_enable_cilkplus): New flag. * array-notation-common.c: New file. 2013-05-14 Jakub Jelinek PR c++/57274 * c-common.c (verify_tree): Don't recurse into SIZEOF_EXPR. 2013-05-10 Marc Glisse * c-common.c (vector_types_convertible_p): No TYPE_PRECISION for vectors. 2013-05-07 Han Shen * c-cppbuiltin.c (c_cpp_builtins): Added "__SSP_STRONG__=3". 2013-04-29 Senthil Kumar Selvaraj * c-common.c (check_user_alignment): Emit error for negative values. 2013-04-24 Paolo Carlini * c-opts.c (set_std_cxx11): Use CLK_CXX1Y and CLK_GNUCXX1Y. 2013-04-24 Paolo Carlini * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_EXPERIMENTAL_CXX1Y__. 2013-04-24 Paolo Carlini Manuel Lopez-Ibanez * c.opt ([Wpointer-arith]): Enabled by -Wpedantic, as documented. * c-common.c (pointer_int_sum): Change -Wpointer-arith pedwarns to simply use OPT_Wpointer_arith. (c_sizeof_or_alignof_type): Likewise. 2013-04-24 Paolo Carlini * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__. 2013-04-12 Jakub Jelinek * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table): Add %r and %R format specifiers. 2013-04-07 Steven Bosscher * c-pragma.c (add_to_renaming_pragma_list): Fix leading comment. 2013-04-03 Paolo Carlini * c-common.c (pointer_int_sum): Remove dead code. 2013-03-09 Richard Sandiford PR middle-end/56524 * c-common.c (handle_optimize_attribute): Don't call save_optabs_if_changed. 2013-03-05 Jakub Jelinek PR middle-end/56461 * c-pch.c (pch_init): Free target_validity at the end. 2013-03-04 Jakub Jelinek * c-pretty-print.c (pp_c_pretty_printer_init): Clear pp->flags. 2013-02-28 Konstantin Serebryany Jakub Jelinek PR sanitizer/56454 * c-common.c (handle_no_sanitize_address_attribute): New function. (c_common_attribute_table): Add no_sanitize_address attribute. (handle_no_address_safety_analysis_attribute): Add no_sanitize_address attribute, not no_address_safety_analysis attribute. 2013-02-18 Aldy Hernandez PR target/52555 * c-common.c (handle_optimize_attribute): Call save_optabs_if_changed. 2013-02-18 Jakub Jelinek Steven Bosscher PR pch/54117 * c-opts.c (c_common_post_options): If debug info is enabled and non-dwarf*, refuse to load PCH files and when writing PCH file warn. 2013-02-05 Jakub Jelinek PR middle-end/56167 * c-common.c (handle_error_attribute): Fix condition. 2013-01-30 Jakub Jelinek PR c++/55742 * c-common.c (handle_target_attribute): Revert 2012-12-26 change. 2013-01-18 Jason Merrill PR target/54908 * c.opt (-fextern-tls-init): New. * c-opts.c (c_common_post_options): Handle it. 2013-01-09 Jakub Jelinek PR c/48418 * c-common.c (c_fully_fold_internal): Warn for LSHIFT_EXPR and RSHIFT_EXPR, if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST and is either negative or bigger or equal to type precision of the first operand. 2012-12-03 Marek Polacek PR c/55570 * c-common.c (check_user_alignment): Swap order of tests, check TREE_CODE first. 2012-11-29 Ed Smith-Rowland <3dw4rd@verizon.net> PR c++/52654 * c-common.h (overflow_type): New enum. (build_userdef_literal): Add overflow_type argument. (tree_userdef_literal): Add overflow_type. (USERDEF_LITERAL_OVERFLOW): New access macro. * c-common.c (build_userdef_literal): Add overflow_type argument. * c-lex.c (c_lex_with_flags): Add overflow_type to build_userdef_literal calls. (interpret_integer, interpret_float): Add overflow_type argument. 2012-11-28 Richard Biener PR c/35634 * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions here and use a type with proper overflow behavior for types that would need to be promoted for the arithmetic. 2012-11-23 Jakub Jelinek PR sanitizer/55435 * c-common.c (handle_no_address_safety_analysis_attribute): New function. (c_common_attribute_table): Add no_address_safety_analysis. 2012-11-16 Simon Baldwin * c.opt: Add f[no-]canonical-system-headers. * c-opts.c (c_common_handle_option): Handle OPT_fcanonical_system_headers. 2012-11-09 Ed Smith-Rowland <3dw4rd@verizon.net> PR c++/54413 * c-opts.c (c_common_handle_option): Set new flags. * c.opt: Describe new flags. 2012-11-09 Jason Merrill * c.opt (Wabi-tag): New. 2012-11-09 Andi Kleen PR 55139 * c-common.c (get_atomic_generic_size): Mask with MEMMODEL_MASK 2012-11-07 Manuel López-Ibáñez PR c/53063 * c.opt (Wformat): Make it Alias Wformat=1. (Wformat-contains-nul,Wformat-extra-args,Wformat-nonliteral, Wformat-security,Wformat-y2k,Wformat-zero-length): Use LangEnabledBy. (Wformat=): RejectNegative. Use LangEnabledBy. (Wnonnull): Use LangEnabledBy. * c-opts.c (c_common_handle_option): Do not handle Wformat here. * c-format.c (set_Wformat): Delete. (decode_format_attr): Replace OPT_Wformat with OPT_Wformat_. (maybe_read_dollar_number): Likewise. (avoid_dollar_number): Likewise. (finish_dollar_format_checking): Likewise. (check_format_info): Likewise. (check_format_info_main): Likewise. (check_format_types): Likewise. (format_type_warning): Likewise. * c-common.c (int): Likewise. (check_function_sentinel): Likewise. * c-common.h (warn_format,set_Wformat): Do not declare here. 2012-11-07 Manuel López-Ibáñez PR c/53063 * c.opt(Warray-bounds,Wdelete-non-virtual-dtor,Wenum-compare, Wmain,Woverlength-strings, Wunknown-pragmas,Wunused-macros): Use LangEnabledBy. (Wswitch,Wswitch-default,Wswitch-enum): Likewise. Move here from common.opt. (Wvariadic-macros): Init(1). * c-opts.c (c_common_handle_option): Do not handle them explicitly. (c_common_post_options): Likewise. (sanitize_cpp_opts): warn_unused_macros is now cpp_warn_unused_macros. (push_command_line_include): Likewise. * c-common.c (warn_unknown_pragmas): Do not define. * c-common.h (warn_unknown_pragmas): Do not declare. 2012-11-07 Manuel López-Ibáñez PR c/51294 * c-common.c (conversion_warning): Handle conditional expressions. 2012-10-29 Jonathan Wakely PR c++/54930 * c.opt (Wreturn_local_addr): Define new option. 2012-10-25 Jason Merrill * c.opt (Wvirtual-move-assign): New. * c.opt (Winherited-variadic-ctor): New. 2012-10-25 Marc Glisse PR c++/54427 * c-common.c (scalar_to_vector): Handle VEC_COND_EXPR. 2012-10-23 Joseph Myers * c-common.h (pch_cpp_save_state): Declare. * c-target.def (c_preinclude): New hook. * c-opts.c (done_preinclude): New. (push_command_line_include): Handle default preincluded header. (cb_file_change): Call pch_cpp_save_state when calling push_command_line_include. * c-pch.c (pch_ready_to_save_cpp_state, pch_cpp_state_saved) (pch_cpp_save_state): New. (pch_init): Call pch_cpp_save_state conditionally, instead of calling cpp_save_state. 2012-10-20 Manuel López-Ibáñez PR c/53063 PR c/40989 * c.opt (Waddress,Wchar-subscripts,Wsign-conversion,Wimplicit, Wimplicit-function-declaration,Wimplicit-int,Wsizeof-pointer-memaccess, Wnarrowing,Wparentheses,Wpointer-sign,Wreturn-type,Wsequence-point, Wsign-compare,Wuninitialized,Wmaybe-uninitialized,Wunused, Wvolatile-register-var): Add LangEnabledBy or EnabledBy. * c-opts.c (c_common_handle_option): Remove explicit handling from here. (c_common_post_options): Likewise. 2012-10-18 Eric Botcazou * c-ada-spec.c (LOCATION_COL): Delete. (compare_location): New function. (compare_node): Use it. (compare_comment): Likewise. 2012-10-16 Manuel López-Ibáñez PR c/53063 PR c/40989 * c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy. * c-opts.c (c_common_handle_option): Do not set them here. Add comment. (c_common_post_options): Likewise. 2012-10-16 Eric Botcazou * c-ada-spec.c (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Define. (dump_generic_ada_node) : Deal with sizetype specially. Remove POINTER_TYPE handling, add large unsigned handling and use ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX for big numbers. 2012-10-12 Jakub Jelinek PR c/54381 * c-common.h (sizeof_pointer_memaccess_warning): Adjust prototype. * c-common.c (sizeof_pointer_memaccess_warning): Take array of 3 locs and array of 3 trees instead of just single loc and single sizeof_arg tree. Handle __builtin___*_chk builtins too, and also stpncpy, bcopy, bcmp, bzero, snprintf and vsnprintf builtins. For *cmp* builtins that take two sources strings report warnings about first and second source, not about destination and source. 2012-10-12 Marc Glisse PR c++/53055 * c-common.h (enum ref_operator) [RO_ARROW_STAR]: New. 2012-10-11 Eric Botcazou * c-ada-spec.c (dump_ada_template): Bail out for template declarations declaring something coming from another file. 2012-10-10 Arnaud Charlet PR ada/54845 * c-ada-spec.c (print_ada_struct_decl): Increase buf size. 2012-10-09 Paolo Carlini PR c++/54194 * c-common.c (warn_about_parentheses): Add location_t parameter; use EXPR_LOC_OR_LOC. * c-common.h: Update declaration. 2012-10-09 Marc Glisse PR c++/54427 * c-common.c (scalar_to_vector): Moved from c-typeck.c. Support more operations. Make error messages optional. * c-common.h (enum stv_conv): Moved from c-typeck.c. (scalar_to_vector): Declare. 2012-10-08 Jason Merrill * c-common.c (c_common_reswords): Add thread_local. 2012-10-08 Dodji Seketeli PR c++/53528 C++11 attribute support * c-common.h (bitfield_p, cxx_fundamental_alignment_p): Declare new functions. * c-common.c (check_cxx_fundamental_alignment_constraints): New static function. (handle_aligned_attribute): In choose strictest alignment among many. Use new check_cxx_fundamental_alignment_constraints. (handle_transparent_union_attribute): In c++11 attribute syntax, don't look through typedefs. 2012-10-04 Arnaud Charlet * c-ada-spec.c (print_ada_declaration): Remove handling of TDF_RAW. * c.opt (-fdump-ada-spec, -fdump-ada-spec-slim): Move switch definition out of dumpfile.h. 2012-09-25 Dehao Chen PR middle-end/54645 * c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data map when read in the pch. 2012-09-18 Arnaud Charlet * c-ada-spec.c: Style fixes. 2012-09-18 Thomas Quinot * c.opt (-fada-spec-parent): Define new command line switch. * c-ada-spec.c (get_ada_package): When -fada-spec-parent is specified, generate binding spec as a child of the specified unit. 2012-09-13 Paolo Carlini Manuel López-Ibáñez PR c++/53210 * c.opt ([Winit-self]): Enabled by -Wall in C++. 2012-08-23 Arnaud Charlet * c-ada-spec.c (dump_generic_ada_node): Fix handling of name_only for pointers, and add missing Convention C pragma. (print_ada_struct_decl): Add missing aliased keyword. (dump_ads): Add pragma Ada_2005 and Style_Checks (Off). 2012-08-17 Jakub Jelinek * c-common.c (sizeof_pointer_memaccess_warning): New function. * c.opt (-Wsizeof-pointer-memaccess): Add new option. * c-opts.c (c_common_handle_option): Enable it for -Wall. * c-common.h (sizeof_pointer_memaccess_warning): Add prototype. * c-common.def (SIZEOF_EXPR): Moved here from cp-tree.def. 2012-08-10 Richard Guenther * c-pretty-print.c (pp_c_expression): Handle anonymous SSA names. 2012-08-07 Steven Bosscher * c-pretty-print.c (pp_c_function_definition): Use pp_newline_and_flush instead of separate pp_newline and pp_flush. (print_c_tree): Likewise. 2012-07-26 Richard Henderson * c-common.c (handle_hot_attribute): Allow labels. (handle_cold_attribute): Likewise. 2012-07-20 Jakub Jelinek PR c++/28656 * c-common.c (check_function_nonnull): Handle multiple nonnull attributes properly. 2012-07-16 Steven Bosscher * c-gimplify.c: Include dumpfile.h instead of tree-dump.h. * c-ada-spec.c: Likewise. * c-dump.c (dump_stmt): Move to cp/dump.c, the only user. 2012-07-14 Steven Bosscher * c-pch.c (CHECK_NO_ASM_OUT_DURING_PCH): Do not define. Remove code conditional on it. 2012-07-11 Steven Bosscher * c-gimplify.c: Do not include basic-block.h. * c-common.c: Do not include linfuncs.h. 2012-07-08 Steven Bosscher * c-common.h: Include tree.h. 2012-07-02 Jason Merrill PR c++/53524 * c-common.c (get_priority): Call default_conversion. 2012-07-01 Uros Bizjak * c-pch.c (c_common_write_pch): Remove unused variables. 2012-06-29 Steven Bosscher * cppspec.c: Moved from gcc/ to here. 2012-06-27 Kai Tietz PR preprocessor/37215 * c-ppoutput.c (preprocess_file): Check for nonempty buffer. 2012-06-21 Steven Bosscher * c-common.h (c_common_print_pch_checksum): Remove. * c-pch.c: Do not include output.h. (CHECK_NO_ASM_OUT_DURING_PCH): Define and add FIXME. (asm_out_file): Define iff CHECK_NO_ASM_OUT_DURING_PCH isdefined. (asm_file_startpos): Define iff CHECK_NO_ASM_OUT_DURING_PCH is defined. (struct c_pch_header): Remove. (get_ident): Update gpch version. (pch_init): Do not print executable_checksum to asm_out_file. Do not fail if there is no asm_out_file to read back from. Set asm_file_startpos only if CHECK_NO_ASM_OUT_DURING_PCH is defined. (c_common_write_pch): Verify that nothing was written to asm_out_file since pch_init was called. Do not write a c_pch_header, and do not copy from asm_out_file to the PCH. (c_common_read_pch): Do not read a c_pch_header, and do not restore the content of asm_out_file from the PCH. (c_common_print_pch_checksum): Remove. * c-opts.c (c_common_init): Print out executable_checksum directly. 2012-06-19 Steven Bosscher * c-target.def (objc_declare_unresolved_class_reference, objc_declare_class_definition): Add new hooks. 2012-06-19 Steven Bosscher * c-lex.c: Do not include output.h. (cb_ident): Try to put out .ident with targetm.asm_out.output_ident. Remove uses of ASM_OUTPUT_IDENT. 2012-06-15 Marc Glisse PR c++/51033 * c-common.h (c_build_vec_perm_expr): Move decl here. * c-common.c (c_build_vec_perm_expr): Move definition here. 2012-06-06 Steven Bosscher * c.opt (fconserve-space): Turn into a no-op. 2012-06-04 Sterling Augustine * c-pretty-print.h (pp_c_flag_gnu_v3): New enumerator. * c-pretty-print.c (pp_c_specifier_qualifier_list): Check it at both the start and end of the function. 2012-06-04 Steven Bosscher * c-common.c: Do not include output.h. * c-pragma.c: Likewise. 2012-06-04 Steven Bosscher * error.c (dump_decl): Check pp_c_flag_gnu_v3. (decl_as_dwarf_string, lang_decl_dwarf_name): New functions. (lang_decl_name): Handle namespace decls. 2012-05-31 Steven Bosscher * c-ada-spec.c: Do not include output.h. * c-semantics.c: Likewise. 2012-05-29 Joseph Myers * c-common.c: Fix typo. 2012-05-29 Michael Matz * c-common.h (c_expand_decl): Remove prototype. 2012-05-29 Manuel López-Ibáñez * c.opt (Wmissing-braces): Use LangEnabledBy(C ObjC,Wall). * c-opts.c (c_common_handle_option): Remove code handling warn_missing_braces. 2012-05-28 Paolo Carlini PR c++/25137 * c-opts.c (c_common_handle_option): For C++ -Wall doesn't enable -Wmissing_braces. 2012-05-22 Dodji Seketeli PR c++/53322 * c.opt (Wunused-local-typedefs): Use EnabledBy(Wunused). 2012-05-17 Manuel López-Ibáñez * c.opt (--pedantic-errors,-pedantic-errors): Do not handle here. * c-opts.c (c_common_handle_option): Do not handle explicitly Wreturn-type, Wwrite-strings, warn_ecpp, and -pedantic-errors. 2012-05-16 Dodji Seketeli PR preprocessor/7263 * c-lex.c (c_lex_with_flags): Pass a virtual location to the call to cpp_classify_number. For diagnostics, use the precise location instead of the global input_location. 2012-05-15 Paolo Carlini PR c++/11856 * c-common.c (shorten_compare): Check c_inhibit_evaluation_warnings. 2012-05-14 Bernd Schmidt * c-common.c (DEF_ATTR_STRING): Define and undefine as necessary. 2012-05-14 Manuel López-Ibáñez PR 53063 * c.opt (Wc++0X-compat,Wdelete-non-virtual-dtor,Wjump-misses-init, Wreorder): Use LangEnabledBy. * c-opts.c (c_common_handle_option): Do not enable them explicitly. Call lang-specific generated functions. (c_common_post_options): Do not set them here. 2012-05-13 Manuel López-Ibáñez * c.opt (Wclobbered,Wempty-body,Wignored-qualifiers, Wmissing-field-initializers,Wmissing-parameter-type, Wold-style-declaration,Woverride-init): Use EnabledBy. * c-opts.c (c_common_post_options): Do not set here explicitly. 2012-05-11 Manuel López-Ibáñez PR 53063 * c-opts.c (c_common_handle_option): Use handle_generated_option to enable sub-options. 2012-05-10 Paolo Carlini PR c++/53158 * c-common.c (warnings_for_convert_and_check): Use warning_at. 2012-05-10 Richard Guenther * c-common.c (c_sizeof_or_alignof_type): Remove assert and adjust commentary about TYPE_IS_SIZETYPE types. 2012-05-09 Manuel López-Ibáñez PR c++/53261 * c-common.c (warn_logical_operator): Check that argument of integer_zerop is not NULL. 2012-05-05 Manuel López-Ibáñez PR c/43772 * c-common.c (warn_logical_operator): Do not warn if either side is already true or false. 2012-05-04 Manuel López-Ibáñez PR c/51712 * c-common.c (expr_original_type): New. (shorten_compare): Do not warn for enumeration types. 2012-05-03 Manuel López-Ibáñez * c.opt (fpermissive): Add Var(flag_permissive). 2012-04-30 Marc Glisse PR c++/51033 * c-common.c (convert_vector_to_pointer_for_subscript): New function. * c-common.h (convert_vector_to_pointer_for_subscript): Declare it. 2012-04-30 Dodji Seketeli Add -Wvarargs option * c.opt (Wvarargs): Define new option. 2012-04-30 Manuel López-Ibáñez * c-common.c (check_function_arguments): Replace Wmissing-format-attribute with Wsuggest-attribute=format. 2012-04-30 Manuel López-Ibáñez * c.opt (Wsuggest-attribute=format): New. Alias of Wmissing-format-attribute. * c-format.c (decode_format_type): Replace Wmissing-format-attribute with Wsuggest-attribute=format. (check_function_format): Likewise. 2012-04-27 Ollie Wild * c-common.c: Add CPP_W_LITERAL_SUFFIX mapping. * c-opts.c (c_common_handle_option): Handle OPT_Wliteral_suffix. * c.opt: Add Wliteral-suffix. 2012-04-22 Manuel López-Ibáñez PR c/44774 * c.opt (Wpedantic): New. (pedantic): Alias Wpedantic. * c-opts.c (c_common_handle_option): Replace -pedantic with -Wpedantic. (c_common_post_options): Likewise. (sanitize_cpp_opts): Likewise. * c-lex.c (interpret_float): Likewise. * c-format.c (check_format_types): Likewise. * c-common.c (pointer_int_sum): Likewise. (c_sizeof_or_alignof_type): Likewise. (c_add_case_label): Likewise. (c_do_switch_warnings): Likewise. * c-pragma.c (handle_pragma_float_const_decimal64): Likewise. 2012-04-15 Jason Merrill PR c++/52818 * c-format.c (CPLUSPLUS_STD_VER): C++11 inherits from C99. (C_STD_NAME): Distinguish between C++98 and C++11. 2012-04-11 Eric Botcazou PR target/52624 * c-common.h (uint16_type_node): Rename into... (c_uint16_type_node): ...this. * c-common.c (c_common_nodes_and_builtins): Adjust for above renaming. * c-cppbuiltin.c (builtin_define_stdint_macros): Likewise. 2012-04-10 Manuel López-Ibáñez * c-common.c (warn_if_unused_value): Move definition to here. * c-common.h (warn_if_unused_value): Move declaration to here. 2012-03-23 William Bader * c-lex.c (c_lex_with_flags): Avoid declarations after stmts. 2012-03-20 Jason Merrill * c-common.h (enum cxx_dialect): Add cxx1y. * c-common.c (c_common_nodes_and_builtins): Use >= for cxx_dialect test. * c-cppbuiltin.c (c_cpp_builtins): Likewise. * c-opts.c (c_common_post_options): Likewise. (set_std_cxx1y): New. (c_common_handle_option): Call it. * c.opt (-std=c++1y, -std=gnu++1y): New flags. 2012-03-19 Paolo Carlini PR c++/14710 * c.opt ([Wuseless-cast]): Add. 2012-03-16 Richard Guenther * c-pretty-print.c (pp_c_initializer_list): Adjust. 2012-03-15 Manuel López-Ibáñez PR c++/44783 * c.opt (ftemplate-backtrace-limit) Add. 2012-03-12 Rainer Orth * c-cppbuiltin.c (c_cpp_builtins): Remove #pragma extern_prefix handling. * c-pragma.c (handle_pragma_extern_prefix): Remove. (init_pragma): Don't register extern_prefix. 2012-03-12 Richard Guenther * c-common.c (c_common_get_narrower): Use c_common_type_for_size. (builtin_type_for_size): Likewise. 2012-02-13 Jakub Jelinek PR c++/52215 * c-common.c (sync_resolve_params): Don't decide whether to convert or not based on TYPE_SIZE comparison, convert whenever arg_type is unsigned INTEGER_TYPE. 2012-02-06 Paolo Carlini PR c/52118 * c.opt ([Wunused-local-typedefs]): Fix description. 2012-01-24 Mike Stump * c-common.c (c_common_type_for_mode): Match signed/unsigned types exactly. 2012-01-18 Richard Guenther * c-opts.c (c_common_post_options): Reset LTO flags if we are about to generate a PCH. 2012-01-17 Paolo Carlini PR c++/51777 * c-pretty-print.c (pp_c_integer_constant): For unsigned constants use pp_unsigned_wide_integer. 2012-01-10 Richard Guenther PR middle-end/51806 * c-opts.c (c_common_handle_option): Move -Werror handling to language independent code. 2012-01-05 Richard Guenther PR middle-end/51764 * c.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move here from common.opt. 2011-12-30 Paolo Carlini PR c++/51316 * c-common.c (c_sizeof_or_alignof_type): In C++ allow for alignof of array types with an unknown bound. 2011-12-20 Joseph Myers * c-common.c (flag_isoc99): Update comment to refer to C11. (flag_isoc1x): Change to flag_isoc11. * c-common.h (flag_isoc99): Update comment to refer to C11. (flag_isoc1x): Change to flag_isoc11. * c-cppbuiltin.c (cpp_atomic_builtins): Change comment to refer to C11. * c-opts.c (set_std_c1x): Change to set_std_c11. (c_common_handle_option): Handle OPT_std_c11 and OPT_std_gnu11. Call set_std_c11. (set_std_c89, set_std_c99, set_std_c11): Use flag_isoc11. (set_std_c1): Use CLK_STDC11 and CLK_GNUC11. * c.opt (std=c1x): Change to std=c11. Document as non-draft standard. (std=c1x, std=iso9899:2011): Add as aliases of std=c11. (std=gnu1x): Change to std=gnu11. Refer to non-draft standard. (std=gnu1x): Make alias of std=gnu11. 2011-12-19 Jason Merrill PR c++/51228 * c-common.c (handle_transparent_union_attribute): Check the first field if the type is complete. 2011-12-15 Jonathan Wakely PR libstdc++/51365 * c-common.c (RID_IS_FINAL): Add. * c-common.h (RID_IS_FINAL): Add. 2011-11-30 Iain Sandoe * c.opt (fgnu-runtime): Provide full description. (fnext-runtime): Likewise. * c-opts.c (OPT_fgnu_runtime, OPT_fnext_runtime) Remove. 2011-11-28 Andrew MacLeod * c-cpp-builtin.c (cpp_atomic_builtins):New. Emit all atomic predefines in one place. Add LOCK_FREE predefines. (c_cpp_builtins): Move Legacy HAVE_SYNC predefines to new func. 2011-11-24 Andrew MacLeod PR c/51256 * c-common.c (get_atomic_generic_size): Check for various error conditions (resolve_overloaded_atomic_exchange, resolve_overloaded_atomic_compare_exchange, resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Return error_mark_node for error conditions. 2011-11-08 Richard Guenther PR middle-end/51010 * c-pretty-print.c (pp_c_expression): Handle SSA_NAMEs. 2011-11-07 Richard Henderson Aldy Hernandez Torvald Riegel Merged from transactional-memory. * c-common.c (handle_tm_wrap_attribute, handle_tm_attribute, ignore_attribute, parse_tm_stmt_attr): New. (struct c_common_reswords): Added __transaction* keywords. (struct c_common_attribute_table): Added transaction* and tm_regparm attributes. * c-common.h: Added RID_TRANSACTION*. Added TM_ATTR* and TM_STMT* masks. (parse_tm_stmt_attr, tm_attr_to_mask, tm_mask_to_attr, find_tm_attribute): Declare. 2011-11-07 Jason Merrill PR c++/35688 * c-common.c, c-common.h: Revert yesterday's changes. 2011-11-06 Jason Merrill PR c++/35688 * c-common.c (decl_has_visibility_attr): Split out from... (c_determine_visibility): ...here. * c-common.h: Declare it. 2011-11-06 Joseph Myers * c-common.c (c_common_reswords): Add _Alignas and _Alignof. (c_sizeof_or_alignof_type): Diagnose alignof applied to a function type. (check_user_alignment): New. Split out of handle_aligned_attribute. Disallow integer constants with noninteger types. Conditionally allow zero. (handle_aligned_attribute): Use check_user_alignment. * c-common.h (RID_ALIGNAS, check_user_alignment): New. 2011-11-06 Andrew MacLeod Richard Henderson Merged from cxx-mem-model. * c-cppbuiltin.c (c_cpp_builtins): Test both atomic and sync patterns. * c-common.c (sync_resolve_params, sync_resolve_return): Only tweak parameters that are the same type size. (get_atomic_generic_size): New. Find size of generic atomic function parameters and do typechecking. (add_atomic_size_parameter): New. Insert size into parameter list. (resolve_overloaded_atomic_exchange): Restructure __atomic_exchange to either __atomic_exchange_n or external library call. (resolve_overloaded_atomic_compare_exchange): Restructure __atomic_compare_exchange to either _n variant or external library call. (resolve_overloaded_atomic_load): Restructure __atomic_load to either __atomic_load_n or an external library call. (resolve_overloaded_atomic_store): Restructure __atomic_store to either __atomic_store_n or an external library call. (resolve_overloaded_builtin): Handle new __atomic builtins. 2011-11-04 Eric Botcazou PR c++/50608 * c-common.c (c_fully_fold_internal) : Call fold_offsetof_1. (fold_offsetof_1): Make global. Remove STOP_REF argument and adjust. : Return the argument. : Remove special code for negative offset. Call fold_build_pointer_plus instead of size_binop. (fold_offsetof): Remove STOP_REF argument and adjust. * c-common.h (fold_offsetof_1): Declare. (fold_offsetof): Remove STOP_REF argument. 2011-11-02 Paolo Carlini PR c++/50810 * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default Wnarrowing for C++0x and C++98. * c.opt ([Wnarrowing]): Update. 2011-11-01 Paolo Carlini PR c++/44277 * c.opt: Add Wzero-as-null-pointer-constant. 2011-10-31 Jason Merrill * c.opt (-fdeduce-init-list): Off by default. PR c++/50920 * c-common.h (cxx_dialect): Add cxx11 and cxx03. * c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03, and -Wc++11-compat. * c-opts.c (set_std_cxx11): Rename from set_std_cxx0x. 2011-10-27 Roberto Agostino Vitillo PR c++/30066 * c.opt (fvisibility-inlines-hidden): Description change. 2011-10-26 Ed Smith-Rowland <3dw4rd@verizon.net> Implement C++11 user-defined literals. * c-common.c (build_userdef_literal): New. * c-common.def: New tree code. * c-common.h (tree_userdef_literal): New tree struct and accessors. * c-lex.c (interpret_float): Add suffix parm. (c_lex_with_flags): Build literal tokens. 2011-10-23 Paolo Carlini PR c++/50841 Revert: 2011-10-23 Paolo Carlini PR c++/50810 * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default Wnarrowing for C++0x and C++98. * c.opt ([Wnarrowing]): Update. 2011-10-23 Paolo Carlini PR c++/50810 * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default Wnarrowing for C++0x and C++98. * c.opt ([Wnarrowing]): Update. 2011-10-21 Paolo Carlini PR c++/45385 * c-common.c (conversion_warning): Remove code looking for artificial operands. 2011-10-18 Dodji Seketeli PR bootstrap/50760 * c-lex.c (fe_file_change): Use LINEMAP_SYSP when !NO_IMPLICIT_EXTERN_C. 2011-10-17 Michael Spertus * c-common.c (c_common_reswords): Add __bases, __direct_bases. * c-common.h: Add RID_BASES and RID_DIRECT_BASES. 2011-10-17 Paolo Carlini PR c++/50757 * c.opt ([Wnonnull]): Add C++ and Objective-C++. 2011-10-15 Tom Tromey Dodji Seketeli * c.opt (fdebug-cpp): New option. * c-opts.c (c_common_handle_option): Handle the option. * c-ppoutput.c (maybe_print_line_1): New static function. Takes an output stream in parameter. Factorized from ... (maybe_print_line): ... this. Dump location debug information when -fdebug-cpp is in effect. (print_line_1): New static function. Takes an output stream in parameter. Factorized from ... (print_line): ... here. Dump location information when -fdebug-cpp is in effect. (scan_translation_unit): Dump location information when -fdebug-cpp is in effect. 2011-10-15 Tom Tromey Dodji Seketeli * c.opt (ftrack-macro-expansion): New option. Handle it with and without argument. * c-opts.c (c_common_handle_option): New cases. Handle -ftrack-macro-expansion with and without argument. 2011-10-15 Tom Tromey Dodji Seketeli * c-ppoutput.c (scan_translation_unit, maybe_print_line) (print_line, cb_define, do_line_change): Adjust to avoid touching the internals of struct line_map. Use the public API instead. * c-pch.c (c_common_read_pch): Likewise. * c-lex.c (fe_file_change): Likewise. 2011-10-14 Paolo Carlini PR c++/17212 * c.opt ([Wformat-zero-length]): Add C++ and Objective-C++. 2011-10-11 Paolo Carlini PR c++/33067 * c-pretty-print.c (pp_c_floating_constant): Output max_digits10 (in the ISO C++ WG N1822 sense) decimal digits. 2011-10-11 Michael Meissner * c-common.c (def_builtin_1): Delete old interface with two parallel arrays to hold standard builtin declarations, and replace it with a function based interface that can support creating builtins on the fly in the future. Change all uses, and poison the old names. Make sure 0 is not a legitimate builtin index. * c-omp.c (c_finish_omp_barrier): Ditto. (c_finish_omp_taskwait): Ditto. (c_finish_omp_flush): Ditto. 2011-10-11 Tristan Gingold * c.opt: (fallow-parameterless-variadic-functions): New. 2011-09-08 Dodji Seketeli PR c++/33255 - Support -Wunused-local-typedefs warning * c-common.h (struct c_language_function::local_typedefs): New field. (record_locally_defined_typedef, maybe_record_typedef_use) (maybe_warn_unused_local_typedefs): Declare new functions. * c-common.c (record_locally_defined_typedef) (maybe_record_typedef_use) (maybe_warn_unused_local_typedefs): Define new functions. * c.opt: Declare new -Wunused-local-typedefs flag. 2011-09-06 Eric Botcazou PR middle-end/50266 * c-common.c (c_fully_fold_internal) : Fold offsetof-like computations. 2011-09-05 Richard Guenther * c-common.c (complete_array_type): Use ssize_int (-1) instead of integer_minus_one_node for empty array upper bounds. 2011-08-28 Dodji Seketeli * c-pch.c (c_common_read_pch): Call linemap_add with LC_ENTER as it's the first time it's being called on this main TU. 2011-08-24 Richard Guenther PR c/49396 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional. 2011-08-22 Gabriel Charette * c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens defined in cpp_init_builtins and c_cpp_builtins. 2011-08-19 Joseph Myers * c-common.c (c_common_reswords): Add __builtin_complex. * c-common.h (RID_BUILTIN_COMPLEX): New. 2011-08-18 Joseph Myers * c-common.c (c_common_reswords): Add _Noreturn. (keyword_is_function_specifier): Handle RID_NORETURN. * c-common.h (RID_NORETURN): New. 2011-08-10 Artjoms Sinkarovs * c-common.c (unsafe_conversion_p): New function. Check if it is unsafe to convert an expression to the type. (conversion_warning): Adjust, use unsafe_conversion_p. * c-common.h (unsafe_conversion_p): New function declaration. 2011-08-02 Jakub Jelinek * c-common.h (c_finish_omp_atomic): Adjust prototype. (c_finish_omp_taskyield): New prototype. * c-omp.c (c_finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1 arguments. Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and OMP_ATOMIC_CAPTURE_NEW in addition to OMP_ATOMIC. If LHS1 or RHS1 have side-effects, evaluate those too in the right spot, if it is a decl and LHS is also a decl, error out if they aren't the same. (c_finish_omp_taskyield): New function. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP to 201107. * c-pragma.c (omp_pragmas): Add taskyield. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKYIELD. (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FINAL and PRAGMA_OMP_CLAUSE_MERGEABLE. 2011-07-25 Dodji Seketeli * c-common.h (set_underlying_type): Remove parm name from declaration. 2011-07-25 Romain Geissler * c-pretty-print.h: Search c-common.h in c-family. 2011-07-22 Jason Merrill PR c++/49793 * c.opt (Wnarrowing): New. PR c++/30112 * c-common.h: Declare c_linkage_bindings. * c-pragma.c (handle_pragma_redefine_extname): Use it. PR c++/49813 * c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99. * c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well as flag_isoc99 for 'restrict'. (pp_c_specifier_qualifier_list): Likewise for _Complex. 2011-07-21 Ian Lance Taylor PR middle-end/49705 * c-common.c (c_disable_warnings): New static function. (c_enable_warnings): New static function. (c_fully_fold_internal): Change local unused_p to bool. Call c_disable_warnings and c_enable_warnings rather than change c_inhibit_evaluation_warnings. 2011-07-20 Jason Merrill PR c++/6709 (DR 743) PR c++/42603 (DR 950) * c-common.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move from cp/parser.h. (CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise. (CPP_DECLTYPE): New. * c-common.c (c_parse_error): Handle CPP_DECLTYPE. 2011-07-19 Richard Guenther * c-common.c (pointer_int_sum): Use fold_build_pointer_plus. * c-omp.c (c_finish_omp_for): Likewise. 2011-07-12 Eric Botcazou * c-ada-spec.c (dump_nested_types): Put semi-colon after empty loop body on the next line. 2011-07-08 Jason Merrill PR c++/45437 * c-omp.c (check_omp_for_incr_expr): Handle preevaluation. PR c++/49673 * c-common.c (c_apply_type_quals_to_decl): Don't check TYPE_NEEDS_CONSTRUCTING. 2011-07-06 Richard Guenther * c-common.c (c_common_nodes_and_builtins): Merge calls to build_common_tree_nodes and build_common_tree_nodes_2. 2011-07-05 Richard Guenther * c-common.c (c_common_nodes_and_builtins): Build all common tree nodes first. 2011-06-27 Jakub Jelinek * c-common.h (c_tree_chain_next): New static inline function. * c-common.c (check_builtin_function_arguments): Handle BUILT_IN_ASSUME_ALIGNED. 2011-06-21 Andrew MacLeod * c-common.c: Add sync_ or SYNC__ to builtin names. * c-omp.c: Add sync_ or SYNC__ to builtin names. 2011-06-20 Pierre Vittet * c-pragma.h (pragma_handler_1arg, pragma_handler_2arg): New handler. (gen_pragma_handler): New union. (internal_pragma_handler): New type. (c_register_pragma_with_data) (c_register_pragma_with_expansion_and_data): New functions. * c-pragma.c (registered_pragmas, c_register_pragma_1) (c_register_pragma, c_register_pragma_with_expansion) (c_invoke_pragma_handler): Changed to work with internal_pragma_handler. (c_register_pragma_with_data) (c_register_pragma_with_expansion_and_data): New functions. 2011-06-14 Joseph Myers * c-common.c: Include common/common-target.h. (handle_section_attribute): Use targetm_common.have_named_sections. * c-cppbuiltin.c: Include common/common-target.h. (c_cpp_builtins): Use targetm_common.except_unwind_info. 2011-06-10 Richard Guenther * c-pretty-print.c (pp_c_type_specifier): Use pp_c_identifier to print a IDENTIFIER_NODE. 2011-06-09 Rainer Orth Joseph Myers * c.opt (fbuilding-libgcc): New option. * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc. 2011-06-07 Jason Merrill * c-common.c (max_tinst_depth): Lower default to 900. * c-format.c (gcc_cxxdiag_char_table): Add 'S' format. 2011-06-07 Richard Guenther * c-common.c (c_common_nodes_and_builtins): Do not set size_type_node or call set_sizetype. 2011-06-07 Dodji Seketeli PR debug/49130 * c-pretty-print.c (pp_c_integer_constant): Consider the canonical type when using pointer comparison to compare types. 2011-06-02 Jonathan Wakely * c.opt: Add -Wdelete-non-virtual-dtor. * c-opts.c (c_common_handle_option): Include it in -Wall. 2011-05-30 Nathan Froyd PR bootstrap/49190 Revert: 2011-05-26 Nathan Froyd * c-common.h (struct c_common_identifier): Inherit from tree_typed, not tree_common. 2011-05-27 Jakub Jelinek PR c++/49165 * c-common.c (c_common_truthvalue_conversion) : For C++ don't call c_common_truthvalue_conversion on void type arms. 2011-05-27 Nathan Froyd * c-common.h (struct stmt_tree_s) [x_cur_stmt_list]: Change to a VEC. (stmt_list_stack): Define. (cur_stmt_list): Adjust for new type of x_cur_stmt_list. * c-semantics.c (push_stmt_list, pop_stmt_list): Likewise. 2011-05-26 Nathan Froyd * c-common.c (warning_candidate_p): Check for BLOCKs. 2011-05-26 Nathan Froyd * c-common.h (struct c_common_identifier): Inherit from tree_typed, not tree_common. 2011-05-25 Jakub Jelinek * c-common.c (def_fn_type): Remove extra va_end. 2011-05-23 Jason Merrill PR c++/48106 * c-common.c (c_common_get_narrower): New. (shorten_binary_op, shorten_compare, warn_for_sign_compare): Use it. 2011-05-23 Nathan Froyd * c-common.h (check_function_arguments): Tweak prototype of check_function_arguments. * c-common.c (check_function_arguments): Likewise. Adjust calls to check_function_nonnull, check_function_format, and check_function_sentinel. (check_function_sentinel): Take a FUNCTION_TYPE rather than separate attributes and typelist arguments. Use FOREACH_FUNCTION_ARGS to iterate over argument types. 2011-05-15 Paolo Carlini * c-common.c (c_common_reswords): Reorder. * c-common.h (rid): Likewise. 2011-05-10 Nathan Froyd * c-common.c (def_fn_type): Don't call build_function_type, call build_function_type_array or build_varargs_function_type_array instead. (c_common_nodes_and_builtins): Likewise. 2011-05-05 Nathan Froyd * c-common.c (c_add_case_label): Omit the loc argument to build_case_label. * c-common.h (build_case_label): Remove. * c-semantics.c (build_case_label): Remove. 2011-05-05 Joseph Myers * c-objc.h (objc_start_method_definition): Update prototype. * stub-objc.c (objc_start_method_definition): Add extra parameter. 2011-05-04 Nathan Froyd * c-common.c (check_main_parameter_types): Reindent. Don't use TYPE_ARG_TYPES directly. (handle_nonnull_attribute): Likewise. (sync_resolve_params): Likewise. * c-format.c (handle_format_arg_attribute): Likewise. Adjust call to check_format_string. (handle_format_attribute): Likewise. (check_format_string): Take a function type to examine instead of a type list. Use a function_arg_iterator to step through argument types. 2011-05-04 Richard Guenther * c-common.c (fix_string_type): Use size_int for index type bounds. (start_fname_decls): Do not pass NULL to build_int_cst. (c_init_attributes): Likewise. * c-lex.c (c_lex_with_flags): Likewise. 2011-04-27 Jason Merrill * c-common.c (make_tree_vector_from_list): New. * c-common.h: Declare it. 2011-04-26 Richard Guenther PR preprocessor/48248 * c-ppoutput.c (maybe_print_line): Always optimize newlines for output size with -P. 2011-04-25 Paolo Carlini * c-common.c (struct c_common_resword): Add __underlying_type. * c-common.h (enum rid): Add RID_UNDERLYING_TYPE. 2011-04-20 Jim Meyering * c-format.c (init_dollar_format_checking): Remove useless if-before-free. 2011-04-15 Nicola Pero * c-objc.h (objc_get_interface_ivars): Removed. (objc_detect_field_duplicates): New. * stub-objc.c: Likewise. 2011-04-14 Nicola Pero * stub-objc.c (objc_declare_protocols): Renamed to objc_declare_protocol. * c-objc.h: Likewise. 2011-04-14 Nicola Pero * stub-objc.c (objc_declare_class): Updated argument name. 2011-04-12 Nathan Froyd * c-common.h (c_common_init_ts): Declare. * c-common.c (c_common_init_ts): Define. 2011-04-12 Nicola Pero * c-objc.h (objc_build_message_expr): Updated prototype. * stub-objc.c (objc_build_message_expr): Likewise. 2011-04-12 Martin Jambor * c-gimplify.c (c_genericize): Call cgraph_get_create_node instead of cgraph_node. 2011-04-11 Richard Guenther * c-common.c (complete_array_type): Build a range type of proper type. 2011-04-08 Nathan Froyd * c-common.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES. (handle_type_generic_attribute): Likewise. 2011-04-07 Jason Merrill PR c++/48450 * c-common.c (c_common_truthvalue_conversion): Don't ignore conversion from C++0x scoped enum. 2011-04-06 Joseph Myers * c-target-def.h: New file. * c-target.def: New file. * c-target.h: New file. * c-common.c (targetcm): Don't define here. * c-common.h (default_handle_c_option): Declare. * c-format.c: Include c-target.h instead of target.h. * c-opts.c: Include c-target.h instead of target.h. Explicitly include tm.h. (default_handle_c_option): Move from targhooks.c. 2011-03-29 Jakub Jelinek PR preprocessor/48248 * c-ppoutput.c (print): Add src_file field. (init_pp_output): Initialize it. (maybe_print_line): Don't optimize by adding up to 8 newlines if map->to_file and print.src_file are different file. (print_line): Update print.src_file. 2011-03-25 Kai Tietz * c-ada-spec.c (compare_comment): Use filename_cmp instead of strcmp for filename. 2011-03-25 Jeff Law * c-common.c (def_fn_type): Add missing va_end. 2011-03-25 Jason Merrill * c.opt: Add -std=c++03. 2011-03-22 Eric Botcazou * c-ada-spec.c (dump_ada_template): Skip non-class instances. 2011-03-17 Kai Tietz PR target/12171 * c-pretty-print.c (pp_c_specifier_qualifier_list): Display allowed attributes for function pointer types. (pp_c_attributes_display): New function to display attributes having affects_type_identity flag set to true. * c-pretty-print.h (pp_c_attributes_display): New prototype. * c-common.c (c_common_attribute_table): Add new element. (c_common_format_attribute_table): Likewise. 2011-03-18 Jason Merrill * c.opt (fconstexpr-depth): Add Var(max_constexpr_depth). * c-common.h: Don't declare it here. * c-common.c: Or define it here. * c-opts.c (c_common_handle_option): Or set it here. PR c++/35315 * c-common.c (handle_transparent_union_attribute): Don't make a duplicate type in C++. 2011-03-15 Jason Merrill * c-common.c (max_constexpr_depth): New. * c-common.h: Declare it. * c-opts.c (c_common_handle_option): Set it. * c.opt (fconstexpr-depth): New option. 2011-03-11 Jason Merrill * c-common.c (attribute_takes_identifier_p): Add missing const. PR c++/46803 * c-common.c (attribute_takes_identifier_p): Assume that an unknown attribute takes an identifier. 2011-03-07 Nathan Froyd PR c/47786 * c-common.c (c_type_hash): Call list_length instead of iterating through DECL_CHAIN. Rename 'i' to 'n_elements'. 2011-02-19 Jakub Jelinek PR c/47809 * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR. 2011-02-17 Iain Sandoe * c.opt (fobjc-abi-version=) New. (fobjc-nilcheck): New. 2011-02-03 Nathan Froyd PR c++/46890 * c-common.h (keyword_is_decl_specifier): Declare. * c-common.c (keyword_is_decl_specifier): Define. (keyword_is_function_specifier): New function. 2011-01-26 Jakub Jelinek PR c/47473 * c-lex.c (interpret_float): If CPP_N_IMAGINARY, ensure EXCESS_PRECISION_EXPR is created with COMPLEX_TYPE instead of REAL_TYPE. 2011-01-26 Arnaud Charlet * c-ada-spec.c (dump_generic_ada_node): Avoid dereferencing null type. 2011-01-26 Jakub Jelinek PR pch/47430 * c-opts.c (c_common_post_options): Call c_common_no_more_pch after init_c_lex if pch_file is set. 2011-01-26 Dave Korn PR c++/43601 * c.opt (-fkeep-inline-dllexport): New switch. 2011-01-12 Richard Guenther PR middle-end/32511 * c-common.c (handle_weak_attribute): Warn instead of error on declaring an inline function weak. 2011-01-05 Tom Tromey * c-common.h (lvalue_error): Update. * c-common.c (lvalue_error): Add 'loc' argument. Call error_at, not error. 2010-12-29 Nicola Pero PR objc/47075 * c-objc.h (objc_finish_message_expr): Added argument to prototype. 2010-12-22 Nathan Froyd * c-common.c (handle_nonnull_attribute, handle_sentinel_attribute): Use prototype_p. 2010-12-18 Nicola Pero * c-objc.h (objc_maybe_warn_exceptions): New. * stub-objc.c (objc_maybe_warn_exceptions): New. 2010-12-10 Nathan Froyd * c-common.h (readonly_error): Declare. * c-common.c (readonly_error): Define. 2010-12-09 Nathan Froyd * c-common.h (invalid_indirection_error): Declare. * c-common.c (invalid_indirection_error): Define. 2010-12-03 Richard Guenther PR c/46745 * c-pretty-print.c (pp_c_postfix_expression): Handle MEM_REF. (pp_c_unary_expression): Likewise. (pp_c_expression): Likewise. 2010-11-30 Nicola Pero * c-common.h (objc_finish_function): New. (objc_non_volatilized_type): Removed. (objc_type_quals_match): Removed. * stub-objc.c (objc_finish_function): New. (objc_non_volatilized_type): Removed. (objc_type_quals_match): Removed. 2010-11-30 Joseph Myers * c-common.h (parse_optimize_options): Declare. * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c, c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h. 2010-11-29 Joseph Myers * c-opts.c (check_deps_environment_vars): Use getenv instead of GET_ENVIRONMENT. * c-pch.c (O_BINARY): Don't define here. * c-pragma.h: Include "cpplib.h" instead of . 2010-11-25 Joseph Myers * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to targetm.except_unwind_info. 2010-11-23 Joseph Myers * c-opts.c (c_common_handle_option): Pass location to set_struct_debug_option. 2010-11-23 Joseph Myers * c-common.c (visibility_options): Move from ../opts.c. * c-common.h (struct visibility_flags, visibility_options): Declare here. * c-opts.c (finish_options): Rename to c_finish_options. (c_common_init): Update call to finish_options. 2010-11-22 Nicola Pero PR objc/34033 * c-lex.c (lex_string): Check that each string in an Objective-C string concat sequence starts with either one or zero '@', and that there are no spurious '@' signs at the end. 2010-11-20 Joseph Myers * c-pragma.c: Remove conditionals on HANDLE_PRAGMA_PACK, HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_PRAGMA_WEAK and HANDLE_PRAGMA_VISIBILITY. * c-pragma.h (HANDLE_PRAGMA_WEAK, HANDLE_PRAGMA_PACK, HANDLE_PRAGMA_VISIBILITY): Don't define. (HANDLE_SYSV_PRAGMA, HANDLE_PRAGMA_PACK_PUSH_POP): Don't test. 2010-11-20 Nathan Froyd PR c++/16189 PR c++/36888 PR c++/45331 * c-common.h (keyword_begins_type_specifier): Declare. (keyword_is_storage_class_specifier): Declare. (keyword_is_type_qualifier): Declare. * c-common.c (keyword_begins_type_specifier): New function. (keyword_is_storage_class_specifier): New function. (keyword_is_type_qualifier): Declare. 2010-11-19 Joseph Myers PR c/46547 * c-common.c (in_late_binary_op): Define. (c_common_truthvalue_conversion): Check in_late_binary_op before calling c_save_expr. * c-common.h (in_late_binary_op): Declare. 2010-11-19 Joseph Myers * c-opts.c (c_common_handle_option): Update calls to set_struct_debug_option. 2010-11-19 Nicola Pero * c-common.h (objc_declare_protocols): Added additional argument. * stub-objc.c (objc_declare_protocol): Same change. 2010-11-18 Nathan Froyd PR c/33193 * c-common.h (build_real_imag_expr): Declare. * c-semantics.c (build_real_imag_expr): Define. 2010-11-17 Joseph Myers * c-opts.c (c_common_parse_file): Take no arguments. * c-common.h (c_common_parse_file): Update prototype. 2010-11-16 Jakub Jelinek PR c++/46401 * c-common.c (warning_candidate_p): Don't track non-const calls or STRING_CSTs. 2010-11-15 Ian Lance Taylor * c-lex.c (init_c_lex): Set macro debug callbacks if flag_dump_go_spec is set. 2010-11-15 Nicola Pero * c-common.h (objc_build_incr_expr_for_property_ref): New. * stub-objc.c (objc_build_incr_expr_for_property_ref): New. 2010-11-15 Nathan Froyd PR preprocessor/45038 * c-cppbuiltin.c (c_cpp_builtins): Use different format for C++ dialects. 2010-11-12 Joseph Myers * c-common.h (c_family_lang_mask): Declare. * c-opts.c (c_family_lang_mask): Make extern. * c-pragma.c (handle_pragma_diagnostic): Use control_warning_option. 2010-11-12 Joseph Myers * c-common.c (parse_optimize_options): Update call to decode_options. * c-common.h (c_common_handle_option): Update prototype. * c-opts.c (c_common_handle_option): Take location_t parameter and pass it to other functions. 2010-11-11 Joseph Myers * c-opts.c (warning_as_error_callback): Remove. (c_common_initialize_diagnostics): Don't call register_warning_as_error_callback. (c_common_handle_option): Handle -Werror=normalized= here. 2010-11-10 Joseph Myers * c-common.c (handle_mode_attribute): Use %' and word "signedness" in diagnostic. * c-opts.c (c_common_parse_file): Start diagnostics with lowercase letter. * c-pragma.c (handle_pragma_target, handle_pragma_optimize): Remove trailing '.' from diagnostics. * c.opt (Wwrite-strings_: Avoid '`' in help text. 2010-11-10 Joseph Myers * c-common.c (parse_optimize_options): Pass global_dc to decode_options. * c-opts.c (c_common_handle_option): Pass &global_options to set_Wstrict_aliasing. * c.opt (v): Don't mark Common or document here. 2010-11-06 Iain Sandoe PR target/44981 * c-format.c (format_type): New type gcc_objc_string_format_type. (valid_stringptr_type_p): New. (handle_format_arg_attribute): Use valid_stringptr_type_p (). (check_format_string): Pass expected type, use valid_stringptr_type_p (), check that the format string types are consistent with the format specification. (decode_format_attr): Warn if NSString is used outside objective-c. (format_types_orig): Add NSString. (format_name): New. (format_flags): New. (check_format_arg): Handle format strings requiring an external parser. first_target_format_type: New variable. (handle_format_attribute): Set up first_target_format_type, pass the expected format arg string type to check_format_string(). * c-common.h (FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL): New flag. * stub-objc.c (objc_string_ref_type_p): New. (objc_check_format_arg): New. 2010-11-04 Nicola Pero Fixed using the Objective-C 2.0 dot-syntax with class names. * c-common.h (objc_build_class_component_ref): New. * stub-objc.c (objc_build_class_component_ref): New. 2010-11-03 Nicola Pero * c.opt (Wproperty-assign-default): New option. 2010-11-03 Nicola Pero Implemented -fobjc-std=objc1 flag. * c.opt (fobjc-std=objc1): New option. 2010-11-01 Nicola Pero Implemented format and noreturn attributes for Objective-C methods. * c-common.c (handle_noreturn_attribute): Recognize 'noreturn' attribute for Objective-C methods. 2010-10-31 Jason Merrill * c-common.c (conversion_warning, warn_for_collisions_1): Use EXPR_LOC_OR_HERE. 2010-10-30 Nicola Pero Implemented Objective-C 2.0 @property, @synthesize and @dynamic. * c-common.h (enum rid): Removed RID_COPIES and RID_IVAR. (objc_add_property_declaration): Removed arguments for copies and ivar. (objc_build_getter_call): Renamed to objc_maybe_build_component_ref. (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr. (objc_is_property_ref): New. * c-common.c (c_common_reswords): Removed copies and ivar. * stub-objc.c (objc_add_property_declaration): Removed arguments for copies and ivar. (objc_build_getter_call): Renamed to objc_maybe_build_component_ref. (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr. (objc_is_property_ref): New. 2010-10-29 Arnaud Charlet Matthew Gingell * c-ada-spec.c (separate_class_package): New function. (pp_ada_tree_identifier): Prefix references to C++ classes with the name of their enclosing package. (print_ada_declaration): Use separate_class_package. 2010-10-27 Jason Merrill * c-common.c (c_common_reswords): Add __is_literal_type. * c-common.h (enum rid): Add RID_IS_LITERAL_TYPE. * c-common.c (check_case_value): Remove special C++ code. 2010-10-27 Nicola Pero * c-common.h (enum rid): Added RID_READWRITE, RID_ASSIGN, RID_RETAIN, RID_COPY and RID_NONATOMIC. Updated RID_FIRST_PATTR and RID_LAST_PATTR. (objc_add_property_declaration): Added additional arguments. (objc_property_attribute_kind): Removed. (objc_set_property_attr): Removed. * c-common.c (c_common_reswords): Added readwrite, assign, retain, copy and nonatomic. * stub-objc.c (objc_add_property_declaration): Added additional arguments. (objc_set_property_attr): Removed. 2010-10-27 Nicola Pero * c-common.h (objc_add_property_variable): Renamed to objc_add_property_declaration. Added location argument. * stub-objc.c (objc_add_property_variable): Same change. 2010-10-23 Nicola Pero * c-common.h (objc_maybe_printable_name): New. * stub-objc.c (objc_maybe_printable_name): New. 2010-10-22 Artjoms Sinkarovs Andrew Pinski * c-common.h (c_common_mark_addressable_vec): Declare. * c-common.c (c_common_mark_addressable_vec): New function. 2010-10-20 Nicola Pero * c-common.h (objc_set_method_type): Removed. (objc_add_method_declaration): Added boolean argument. (objc_start_method_definition): Same change. (objc_build_method_signature): Same change. * stub-objc.c (objc_set_method_type): Removed. (objc_add_method_declaration): Added boolean argument. (objc_start_method_definition): Same change. (objc_build_method_signature): Same change. 2010-10-20 Nicola Pero * c-common.h (finish_file): Removed. (objc_write_global_declarations): New. * c-opts.c (c_common_parse_file): Do not call finish_file. * stub-objc.c (objc_write_global_declarations): New. 2010-10-18 Nicola Pero Implemented parsing @synthesize and @dynamic for Objective-C/Objective-C++. * c-common.h (enum rid): Add RID_AT_SYNTHESIZE and RID_AT_DYNAMIC. (objc_add_synthesize_declaration): New. (objc_add_dynamic_declaration): New. * c-common.c (c_common_reswords): Add synthesize and dynamic. * stub-objc.c (objc_add_synthesize_declaration): New. (objc_add_dynamic_declaration): New. 2010-10-18 Michael Meissner PR target/46041 * c-cppbuiltin.c (mode_has_fma): Move function here from builtins.c. Don't use the fma optab, instead just use the HAVE_fma* macros, so that __FP_FAST_FMA* will be defined when using -save-temps. 2010-10-18 Nicola Pero Merge from 'apple/trunk' branch on FSF servers. 2005-11-08 Fariborz Jahanian Radar 4330422 * c-common.h (objc_non_volatilized_type): New declaration * stub-objc.c (objc_non_volatilized_type): New stub. 2010-10-17 Nicola Pero Merge from 'apple/trunk' branch on FSF servers. 2006-03-27 Fariborz Jahanian Radar 4133425 * c-common.h (objc_diagnose_private_ivar): New decl. * stub-objc.c (objc_diagnose_private_ivar): New stub. 2010-10-17 Iain Sandoe * c-common.c (c_common_reswords): Add package, RID_AT_PACKAGE. * c-common.h (enum rid): Add RID_AT_PACKAGE. (objc_ivar_visibility_kind): New enum. (objc_set_visibility): Adjust prototype to use visibility enum. * stub-objc.c (objc_set_visibility): Adjust stub to use visibility enum. 2010-10-14 Michael Meissner * c-cppbuiltin.c (builtin_define_float_constants): Emit __FP_FAST_FMA, __FP_FAST_FMAF, and __FP_FAST_FMAL if the machine has the appropriate fma builtins. (c_cpp_builtins): Adjust call to builtin_define_float_constants. 2010-10-14 Iain Sandoe merge from FSF apple 'trunk' branch. 2006 Fariborz Jahanian Radars 4436866, 4505126, 4506903, 4517826 * c-common.c (c_common_resword): Define @property and its attributes. * c-common.h: Define property attribute enum entries. (OBJC_IS_PATTR_KEYWORD): New. (objc_property_attribute_kind): New enum. Declare objc_set_property_attr (), objc_add_property_variable (), objc_build_getter_call () and objc_build_setter_call (). * stub-objc.c (objc_set_property_attr): New stub. (objc_add_property_variable): Likewise. (objc_build_getter_call): Likewise. (objc_build_setter_call) Likewise. 2010-10-13 Iain Sandoe merge from FSF apple 'trunk' branch. 2006-04-26 Fariborz Jahanian Radar 3803157 (method attributes) * c-common.c (handle_deprecated_attribute): Recognize objc methods as valid declarations. * c-common.h: Declare objc_method_decl (). * stub-objc.c (objc_method_decl): New stub. 2010-10-08 Joseph Myers * c-common.c (parse_optimize_options): Call decode_cmdline_options_to_array_default_mask before decode_options. Update arguments to decode_options. * c-common.h (c_common_init_options_struct): Declare. * c-opts.c (c_common_init_options_struct): New. Split out from c_common_init_options. 2010-10-06 Nicola Pero Implemented fast enumeration for Objective-C. * c-common.h (objc_finish_foreach_loop): New. * stub-objc.c (objc_finish_foreach_loop): New. 2010-10-05 Joseph Myers * c-common.h (struct diagnostic_context): Don't declare here. (c_common_initialize_diagnostics): Declare using diagnostic_context typedef. * c-opts.c (c_common_handle_option): Pass global_dc to handle_generated_option. 2010-10-04 Joseph Myers * c-opts.c (c_common_handle_option): Pass &global_options_set to handle_generated_option. 2010-10-03 Ian Lance Taylor * c.opt (-fplan9-extensions): New option. 2010-10-03 Francois-Xavier Coudert * c-cppbuiltin.c (define__GNUC__, builtin_define_type_precision): Remove. (c_cpp_builtins): Call functions from cppbuiltin.c instead of duplicating code. 2010-09-30 Iain Sandoe * c-common.c: Add two new entries for @optional and @required keywords. merge from FSF 'apple/trunk' branch. 2006-01-30 Fariborz Jahanian Radar 4386773 * c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new objective-c keywords. (objc_set_method_opt): New declaration. * stub-objc.c (objc_set_method_opt): New stub. 2010-09-30 Joseph Myers * c-common.c (handle_optimize_attribute): Pass &global_options to cl_optimization_save and cl_optimization_restore. * c-opts.c (c_common_handle_option): Pass &global_options to handle_generated_option. * c-pragma.c (handle_pragma_diagnostic): Use option_flag_var. (handle_pragma_pop_options, handle_pragma_reset_options): Pass &global_options to cl_optimization_restore. 2010-09-30 Nicola Pero * c-lex.c (c_lex_with_flags): Updated comments for CPP_AT_NAME Objective-C/Objective-C++ keywords. 2010-09-29 Nicola Pero Merge from 'apple/trunk' branch on FSF servers. 2005-10-04 Fariborz Jahanian Radar 4281748 * c-common.h (objc_check_global_decl): New declaration. * stub-objc.c (objc_check_global_decl): New stub. 2010-09-29 Joseph Myers * c.opt: Don't use VarExists. 2010-09-29 Joseph Myers * c-common.c (c_cpp_error): Update names of diagnostic_context members. * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Update names of cl_optimization members. * c-opts.c (warning_as_error_callback, c_common_handle_option, sanitize_cpp_opts, finish_options): Update names of cpp_options members. 2010-09-29 Nicola Pero * c-common.h (OBJC_IS_CXX_KEYWORD): New macro. Updated comments. (objc_is_reserved_word): Removed. * c-common.c: Updated comments. * c-lex.c (c_lex_with_flags): Use OBJC_IS_CXX_KEYWORD instead of objc_is_reserved_word. * stub-objc.c (objc_is_reserved_word): Removed. 2010-09-28 Iain Sandoe * c-common.h (objc_add_method_declaration): Adjust prototype to include attributes. (objc_start_method_definition): Likewise. (objc_build_keyword_decl): Likewise. * stub-objc.c:(objc_add_method_declaration): Handle attributes. (objc_start_method_definition): Likewise. (objc_build_keyword_decl): Likewise. 2010-09-28 Iain Sandoe * c-common.h (objc_start_class_interface): Adjust prototype. (objc_start_category_interface): Likewise. (objc_start_protocol): Likewise. * stub-objc.c (objc_start_protocol): Adjust for extra argument. (objc_start_class_interface): Likewise. (objc_start_category_interface): Likewise. 2010-09-27 Ian Lance Taylor * c-common.c (c_common_attribute_table): Add no_split_stack. (handle_no_split_stack_attribute): New static function. 2010-09-27 Nicola Pero Merge from 'apple/trunk' branch on FSF servers. 2005-12-15 Fariborz Jahanian Radar 4229905 * c-common.h (objc_have_common_type): New declaration. * stub-objc.c (objc_have_common_type): New stub. 2005-06-22 Ziemowit Laski Radar 4154928 * c-common.h (objc_common_type): New prototype. * stub-objc.c (objc_common_type): New stub. 2010-09-24 Jan Hubicka * c-common.c (handle_leaf_attribute): New function. (struct attribute_spec c_common_att): Add leaf. 2010-09-22 Joseph Myers * c.opt (-all-warnings, -ansi, -assert, -assert=, -comments, -comments-in-macros, -define-macro, -define-macro=, -dependencies, -dump, -dump=, -imacros, -imacros=, -include, -include=, -include-barrier, -include-directory, -include-directory=, -include-directory-after, -include-directory-after=, -include-prefix, -include-prefix=, -include-with-prefix, -include-with-prefix=, -include-with-prefix-after, -include-with-prefix-after=, -include-with-prefix-before, -include-with-prefix-before=, -no-integrated-cpp, -no-line-commands, -no-standard-includes, -no-warnings, -output, -output=, -pedantic, -pedantic-errors, -preprocess, -print-missing-file-dependencies, -trace-includes, -traditional, -traditional-cpp, -trigraphs, -undefine-macro, -undefine-macro=, -user-dependencies, -verbose, -write-dependencies, -write-user-dependencies, no-integrated-cpp, traditional): New. 2010-09-21 Nicola Pero PR objc/23710 * c-common.h (objc_start_method_definition): Return bool instead of void. * stub-objc.c (objc_start_method_definition): Return bool instead of void. 2010-09-21 Nicola Pero PR objc/25965 * c-common.h (objc_get_interface_ivars): New declaration. * stub-objc.c (objc_get_interface_ivars): New stub. 2010-09-15 Ian Lance Taylor * c-common.c (parse_optimize_options): Do not capitalize warning messages. Remove period at end of warning message. 2010-09-09 Nathan Sidwell * c-common.c (handle_alias_ifunc_attribute): New, broken out of ... (handle_alias_attribute): ... here. (handle_ifunc_attribute): New. 2010-09-06 Mark Mitchell * c-common.h (do_warn_double_promotion): Declare. * c-common.c (do_warn_double_promotion): Define. 2010-09-05 Mark Mitchell * c.opt (Wdouble-promotion): New. 2010-09-02 Joseph Myers * c.opt (falt-external-templates, fhuge-objects, fvtable-gc, fvtable-thunks, fxref): Mark no longer supported in help text. 2010-09-02 Joseph Myers * c.opt (Wimport, fall-virtual, falt-external-templates, fdefault-inline, fenum-int-equiv, fexternal-templates, fguiding-decls, fhonor-std, fhuge-objects, flabels-ok, fname-mangling-version-, fnew-abi, fnonnull-objects, foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable, fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as applicable. (fhandle-exceptions): Mark with Alias and Warn. * c-opts.c (c_common_handle_option): Don't handle options marked as ignored. 2010-09-02 Joseph Myers * c.opt (Wcomments, Werror-implicit-function-declaration, ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x, std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as aliases. * c-common.c (option_codes): Use OPT_Wcomment instead of OPT_Wcomments. * c-opts.c (warning_as_error_callback, c_common_handle_option): Don't handle options marked as aliases. 2010-08-25 Richard Guenther * c-common.c (c_common_get_alias_set): Remove special handling for pointers. 2010-08-20 Nathan Froyd * c-common.c: Use FOR_EACH_VEC_ELT. * c-gimplify.c: Likewise. * c-pragma.c: Likewise. 2010-08-16 Joseph Myers * c.opt (MDX): Change back to MD. Mark NoDriverArg instead of RejectDriver. (MMDX): Change back to MMD. Mark NoDriverArg instead of RejectDriver. * c-opts.c (c_common_handle_option): Use OPT_MD and OPT_MMD instead of OPT_MDX and OPT_MMDX. 2010-08-16 Joseph Myers * c.opt (MDX, MMDX, lang-asm): Mark RejectDriver. 2010-08-12 Joseph Myers * c.opt (MD, MMD): Change to MDX and MMDX. * c-opts.c (c_common_handle_option): Use OPT_MMD and OPT_MMDX. 2010-08-11 Joseph Myers * c-opts.c (c_common_handle_option): Call handle_generated_option instead of handle_option. 2010-08-08 Nathan Froyd * c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push. (maybe_apply_renaming_pragma): Delete unneeded declarations. 2010-08-08 Nathan Froyd * c-pragma.c (pending_redefinition): Declare. Declare a VEC of it. (pending_redefine_extname): Change type to a VEC. (add_to_renaming_pragma_list): Update for new type of pending_redefine_extname. (maybe_apply_renaming_pragma): Likewise. 2010-08-04 Arnaud Charlet * c-ada-spec.c (dump_ada_template): Mark underlying instance type as visited. (dump_generic_ada_node): Code clean up. Use TREE_VISITED flag to decide whether a type has already been declared/seen. Do not go to the original type. (dump_nested_types): New parameter forward. Generate forward declaration if needed and mark type as visited. (print_ada_declaration): Call dump_nested_types if not already done. Mark types as visited. 2010-08-03 Joseph Myers * c.opt (-print-pch-checksum): Remove option. * c-opts.c (c_common_handle_option): Don't handle OPT_print_pch_checksum. 2010-07-27 Joseph Myers * c-common.h (c_common_handle_option): Update prototype and return value type. * c-opts.c (c_common_handle_option): Update prototype and return value type. Update calls to handle_option and enable_warning_as_error. 2010-07-27 Jakub Jelinek PR c/45079 * c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR. 2010-07-27 Joseph Myers * c-common.h (c_common_missing_argument): Remove. * c-opts.c (c_common_missing_argument): Remove. * c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=, idirafter, imacros, include, isysroot, isystem, iquote): Add MissingArgError. * c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove. 2010-07-27 Joseph Myers * c-common.h (c_common_option_lang_mask, c_common_initialize_diagnostics, c_common_complain_wrong_lang_p): New. (c_common_init_options): Update prototype. * c-opts.c (c_common_option_lang_mask): New. (c_common_initialize_diagnostics): Split out of c_common_init_options. (accept_all_c_family_options, c_common_complain_wrong_lang_p): New. (c_common_init_options): Update prototype. Use decoded options in search for -lang-asm. 2010-07-15 Nathan Froyd * c-common.c: Carefully replace TREE_CHAIN with DECL_CHAIN. * c-format.c: Likewise. 2010-07-08 Manuel López-Ibáñez * c-common.h: Include diagnostic-core.h. Error if already included. * c-semantics.c: Do not define GCC_DIAG_STYLE here. 2010-07-03 Manuel López-Ibáñez * c-common.c (IN_GCC_FRONTEND): Do not undef. Do not include expr.h (vector_mode_valid_p): Move here. 2010-06-21 DJ Delorie * c-pragma.c (handle_pragma_diagnostic): Add push/pop, allow these pragmas anywhere. 2010-06-14 Jakub Jelinek PR bootstrap/44509 * c-cppbuiltin.c: Include gt-c-family-c-cppbuiltin.h. (lazy_hex_fp_values, lazy_hex_fp_value_count): Add GTY(()) markers. (lazy_hex_fp_value, builtin_define_with_hex_fp_value): Use ggc_strdup instead of xstrdup. 2010-06-10 Jakub Jelinek * c-cppbuiltin.c: Include cpp-id-data.h. (lazy_hex_fp_values, lazy_hex_fp_value_count): New variables. (lazy_hex_fp_value): New function. (builtin_define_with_hex_fp_value): Provide definitions lazily. 2010-06-30 Manuel López-Ibáñez * c-gimplify.c: Do not include tree-flow.h 2010-06-29 Joern Rennecke PR other/44034 * c-common.c: Rename targetm member: targetm.enum_va_list -> targetm.enum_va_list_p 2010-06-28 Anatoly Sokolov * c-common.c (shorten_compare): Adjust call to force_fit_type_double. 2010-06-28 Steven Bosscher * c-cppbuiltin.c: Do not include except.h. 2010-06-24 Andi Kleen * c-common.c (warn_for_omitted_condop): New. * c-common.h (warn_for_omitted_condop): Add prototype. 2010-06-21 Joseph Myers * c.opt (lang-objc): Remove. * c-opts.c (c_common_handle_option): Don't handle OPT_lang_objc. 2010-06-21 Joern Rennecke * c-opts.c: Include "tm_p.h". 2010-06-20 Joseph Myers * c-common.c (parse_optimize_options): Update call to decode_options. 2010-06-18 Nathan Froyd * c-common.c (record_types_used_by_current_var_decl): Adjust for new type of types_used_by_cur_var_decl. 2010-06-17 Joern Rennecke PR bootstrap/44512 * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Add cast for C++ standard compliance. 2010-06-16 Jason Merrill * c.opt: Add -Wnoexcept. 2010-06-16 Richard Guenther PR c/44555 * c-common.c (c_common_truthvalue_conversion): Remove premature and wrong optimization concering ADDR_EXPRs. 2010-06-15 Arnaud Charlet * c-ada-spec.c (dump_sloc): Remove column info. (is_simple_enum): New function. (dump_generic_ada_node, print_ada_declaration): Map C enum types to Ada enum types when relevant. 2010-06-11 Manuel López-Ibáñez * c-common.c (conversion_warning): Warn at expression location. 2010-06-10 Joseph Myers * c-opts.c (c_common_handle_option): Don't handle OPT_fshow_column. 2010-06-08 Laurynas Biveinis * c-pragma.c (push_alignment): Use typed GC allocation. (handle_pragma_push_options): Likewise. * c-common.c (parse_optimize_options): Likewise. * c-common.h (struct sorted_fields_type): Add variable_size GTY option. 2010-06-07 Joseph Myers * c-common.c (flag_preprocess_only, flag_undef, flag_no_builtin, flag_no_nonansi_builtin, flag_short_double, flag_short_wchar, flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm, flag_signed_bitfields, warn_strict_null_sentinel, flag_nil_receivers, flag_zero_link, flag_replace_objc_classes, flag_gen_declaration, flag_no_gnu_keywords, flag_implement_inlines, flag_implicit_templates, flag_implicit_inline_templates, flag_optional_diags, flag_elide_constructors, flag_default_inline, flag_rtti, flag_conserve_space, flag_access_control, flag_check_new, flag_new_for_scope, flag_weak, flag_working_directory, flag_use_cxa_atexit, flag_use_cxa_get_exception_ptr, flag_enforce_eh_specs, flag_threadsafe_statics, flag_pretty_templates): Remove. * c-common.h (flag_preprocess_only, flag_nil_receivers, flag_objc_exceptions, flag_objc_sjlj_exceptions, flag_zero_link, flag_replace_objc_classes, flag_undef, flag_no_builtin, flag_no_nonansi_builtin, flag_short_double, flag_short_wchar, flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm, flag_const_strings, flag_signed_bitfields, flag_gen_declaration, flag_no_gnu_keywords, flag_implement_inlines, flag_implicit_templates, flag_implicit_inline_templates, flag_optional_diags, flag_elide_constructors, flag_default_inline, flag_rtti, flag_conserve_space, flag_access_control, flag_check_new, flag_new_for_scope, flag_weak, flag_working_directory, flag_use_cxa_atexit, flag_use_cxa_get_exception_ptr, flag_enforce_eh_specs, flag_threadsafe_statics, flag_pretty_templates, warn_strict_null_sentinel): Remove. * c.opt (E, Wstrict-null-sentinel, faccess-control, fasm, fbuiltin, fcheck-new, fconserve-space, felide-constructors, fenforce-eh-specs, ffor-scope, fgnu-keywords, fimplement-inlines, fimplicit-inline-templates, fimplicit-templates, flax-vector-conversions, fms-extensions, fnil-receivers, fnonansi-builtins, fpretty-templates, freplace-objc-classes, frtti, fshort-double, fshort-enums, fshort-wchar, fsigned-bitfields, fsigned-char, fstats, fthreadsafe-statics, funsigned-bitfields, funsigned-char, fuse-cxa-atexit, fuse-cxa-get-exception-ptr, fweak, fworking-directory, fzero-link, gen-decls, undef): Use Var. (fdefault-inline, foptional-diags): Document as doing nothing. * c-opts.c (c_common_handle_option): Remove cases for options now using Var. Mark ignored options as such. 2010-06-05 Steven Bosscher * c-common.c: Moved to here from parent directory. * c-common.def: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-format.h : Likewise. * c-gimplify.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c.opt: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pragma.h: Likewise. * c-pretty-print.c: Likewise. * c-pretty-print.h: Likewise. * c-semantics.c: Likewise. * stub-objc.c: Likewise. * c-common.c: Include gt-c-family-c-common.h. * c-pragma.c: Include gt-c-family-c-pragma.h. Copyright (C) 2010-2024 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.