1 // Copyright (C) 2017-2018 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 <functional>
21 
22 // PR libstdc++/79798
23 
24 struct X { };
25 const X f(int);
26 
27 struct Y {
28   void operator()(X&&) = delete;
29   int operator()(const X&&);
30 };
31 
32 auto b = std::bind(Y(), std::bind(f, std::placeholders::_1));
33 auto i = b(1);
34