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cc535146 | 1 | // { dg-do compile { target c++11 } } |
cc535146 JW |
2 | // { dg-require-gthreads "" } |
3 | ||
83ffe9cd | 4 | // Copyright (C) 2018-2023 Free Software Foundation, Inc. |
cc535146 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 <thread> | |
22 | ||
23 | // PR libstdc++/84532 | |
24 | ||
25 | struct F | |
26 | { | |
27 | template<typename T, typename U> | |
28 | void operator()(T, U, int&) | |
29 | { | |
30 | using std::is_same; | |
31 | using std::reference_wrapper; | |
32 | static_assert(is_same<T, reference_wrapper<int>>::value, ""); | |
33 | static_assert(is_same<U, reference_wrapper<const int>>::value, ""); | |
34 | } | |
35 | }; | |
36 | int i = 0; | |
37 | std::thread t(F{}, std::ref(i), std::cref(i), std::ref(i)); |