Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/lto/pr80287_0.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-lto-options { "-std=gnu++17" } } // { dg-lto-do run } // Copyright (C) 2014-2017 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 // <http://www.gnu.org/licenses/>. #include <any> #define VERIFY(x) if (!(x)) __builtin_abort() using std::any; using std::any_cast; bool moved = false; bool copied = false; struct X { X() = default; X(const X&) { copied = true; } X(X&& x) { moved = true; } }; struct X2 { X2() = default; X2(const X2&) { copied = true; } X2(X2&& x) noexcept { moved = true; } }__attribute((may_alias)); void test01() { moved = false; X x; any a1; a1 = x; VERIFY(moved == false); any a2; copied = false; a2 = std::move(x); VERIFY(moved == true); VERIFY(copied == false); } void test02() { moved = false; X x; any a1; a1 = x; VERIFY(moved == false); any a2; copied = false; a2 = std::move(a1); VERIFY(moved == false); VERIFY(copied == false); } void test03() { moved = false; X2 x; any a1; a1 = x; VERIFY(copied && moved); any a2; moved = false; copied = false; a2 = std::move(a1); VERIFY(moved == true); VERIFY(copied == false); } int main() { test01(); test02(); test03(); }