// Copyright (C) 2015-2019 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-options "-std=gnu++17" } #include #include struct LocationAware { LocationAware() { } ~LocationAware() { VERIFY(self == this); } LocationAware(const LocationAware&) { } LocationAware& operator=(const LocationAware&) { return *this; } LocationAware(LocationAware&&) noexcept { } LocationAware& operator=(LocationAware&&) noexcept { return *this; } void* const self = this; }; static_assert(std::is_nothrow_move_constructible::value, ""); static_assert(!std::is_trivially_copyable::value, ""); using std::any; void test01() { LocationAware l; any a = l; } void test02() { LocationAware l; any a = l; any b = a; { any tmp = std::move(a); a = std::move(b); b = std::move(tmp); } } void test03() { LocationAware l; any a = l; any b = a; swap(a, b); } int main() { test01(); test02(); test03(); }