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a945c346 | 1 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
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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 | ||
1b13c424 | 18 | // { dg-do run { target c++20 } } |
62b29347 | 19 | // { dg-require-thread-fence "" } |
55ede0bb | 20 | // { dg-add-options libatomic } |
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21 | |
22 | #include <atomic> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
32411837 | 25 | constexpr std::atomic<float> a; |
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26 | |
27 | void | |
28 | test01() | |
29 | { | |
30 | VERIFY(a.load() == 0); | |
32411837 | 31 | static_assert(std::is_nothrow_default_constructible_v<std::atomic<float>>); |
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32 | } |
33 | ||
34 | int | |
35 | main() | |
36 | { | |
37 | test01(); | |
38 | } |