| // Copyright (C) 2015-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do compile } |
| // { dg-additional-options "-pthread" { target pthread } } |
| // { dg-require-effective-target c++11 } |
| // { dg-require-gthreads "" } |
| |
| // LWG 2021. Further incorrect usages of result_of |
| // Arguments to result_of should use decay. |
| |
| #include <future> |
| |
| struct A |
| { |
| int operator()(int&&)&& { return 0; } |
| void operator()(int&)& { } |
| }; |
| |
| int main() |
| { |
| A a; |
| int i = 0; |
| std::future<int> f = std::async(a, i); |
| } |
