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a5544970 | 1 | // Copyright (C) 2016-2019 Free Software Foundation, Inc. |
387edf83 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-std=gnu++17" } | |
19 | // { dg-do compile } | |
20 | ||
21 | #include <atomic> | |
22 | ||
23 | struct S { int s[64]; }; | |
24 | ||
25 | constexpr bool b1 = std::atomic<S>::is_always_lock_free; | |
26 | constexpr const bool* cktype1 = &std::atomic<S>::is_always_lock_free; | |
27 | ||
28 | constexpr bool b2 = std::atomic<int*>::is_always_lock_free; | |
29 | constexpr const bool* cktype2 = &std::atomic<int*>::is_always_lock_free; | |
30 | ||
31 | static_assert( std::atomic<int*>::is_always_lock_free | |
32 | == (ATOMIC_POINTER_LOCK_FREE == 2) ); |