1 // { dg-do compile { target c++11 } }
2 // { dg-require-gthreads "" }
3 
4 // Copyright (C) 2018-2020 Free Software Foundation, Inc.
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 namespace __gnu_test
24 {
25 using std::is_constructible;
26 using std::thread;
27 
28 // PR libstdc++/84535
29 static_assert(!is_constructible<thread, thread, int>::value, "");
30 static_assert(!is_constructible<thread, thread&, int>::value, "");
31 static_assert(!is_constructible<thread, const thread&, int>::value, "");
32 static_assert(!is_constructible<thread, const thread&&, int>::value, "");
33 }
34