// Copyright (C) 2020-2024 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // { dg-do run { target c++11 } } #include #include struct X { X() = default; X(const X&) { if (Throw) throw 1; } // Move constructor might throw X(X&&) noexcept(false) {} // Tracking calls to assignment functions X& operator=(const X&) { throw 1; } X& operator=(X&&) noexcept(false) { return *this; } static bool Throw; }; bool X::Throw = false; void test01() { using A = __gnu_test::propagating_allocator, false>; A a1(1), a2(2); std::map, A> m1({ { 1, X() } }, a1), m2({ { 2, X() } }, a2); X::Throw = true; m1 = std::move(m2); } int main() { test01(); }