1// { dg-options "-std=gnu++11" } 2// { dg-do compile } 3 4// Copyright (C) 2014-2015 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// libstdc++/60497 22 23#include <functional> 24#include <memory> 25 26struct A; 27template<typename T> struct B { T t; }; 28 29using UP = std::unique_ptr<B<A>>; 30 31bool f(UP&, UP&) { return true; } 32 33bool g(UP& p) 34{ 35 auto binder = std::bind(f, std::ref(p), std::placeholders::_1); 36 bool b1 = binder(std::ref(p)); 37 auto binderbinder = std::bind(binder, std::placeholders::_1); 38 bool b2 = binderbinder(std::ref(p)); 39 return b1 && b2; 40} 41