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1 // Copyright (C) 2015-2024 Free Software Foundation, Inc.
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-do compile { target c++11 } }
19
20 #include <atomic>
21
22 static_assert( alignof(std::atomic<char>) >= sizeof(char),
23 "atomic<char> must be aligned to at least its size" );
24 static_assert( alignof(std::atomic<short>) >= sizeof(short),
25 "atomic<short> must be aligned to at least its size" );
26 static_assert( alignof(std::atomic<int>) >= sizeof(int),
27 "atomic<int> must be aligned to at least its size" );
28 static_assert( alignof(std::atomic<long>) >= sizeof(long),
29 "atomic<long> must be aligned to at least its size" );
30 static_assert( alignof(std::atomic<long long>) >= sizeof(long long),
31 "atomic<long long> must be aligned to at least its size" );