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93e79ed3 | 1 | // { dg-do run { target c++11 } } |
1e42d2f4 | 2 | // { dg-additional-options "-pthread" { target pthread } } |
164b41eb | 3 | |
99dee823 | 4 | // Copyright (C) 2016-2021 Free Software Foundation, Inc. |
164b41eb JW |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <mutex> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void f(int& a, int&& b) { a = 1; b = 2; } | |
25 | ||
26 | void | |
27 | test01() | |
28 | { | |
29 | // LWG 2442. call_once() shouldn't DECAY_COPY() | |
30 | std::once_flag once; | |
31 | int i = 0; | |
32 | int j = 0; | |
33 | call_once(once, f, i, std::move(j)); | |
34 | VERIFY( i == 1 ); | |
35 | VERIFY( j == 2 ); | |
36 | } | |
37 | ||
38 | int | |
39 | main() | |
40 | { | |
41 | test01(); | |
42 | } |