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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 25constexpr std::atomic<float> a;
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26
27void
28test01()
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
34int
35main()
36{
37 test01();
38}