| // { dg-options "-O1" } |
| // { dg-do link { target c++11 } } |
| |
| // Copyright (C) 2009-2023 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 <atomic> |
| |
| struct dwordp |
| { |
| int* p1; |
| int* p2; |
| }; |
| |
| void atomics() |
| { |
| std::atomic<dwordp> a; |
| bool b __attribute__((unused)) = a.is_lock_free(); |
| } |
| |
| int main() |
| { |
| atomics(); |
| return 0; |
| } |
