gcc/libstdc++-v3/testsuite/20_util/bind/60497.cc
Jonathan Wakely b82f988e8d re PR libstdc++/60497 (unique_ptr<T> tries to complete its type T even though it's not required to be a complete type)
PR libstdc++/60497
	* include/debug/array (get): Qualify call to other get overload.
	* include/profile/array (get): Likewise.
	* include/std/array (get): Likewise.
	* include/std/functional (_Mu, _Bind, _Bind_result): Qualify std::get.
	* include/std/mutex (unique_lock, call_once): Use __addressof.
	(__unlock_impl): Remove unused template.
	(__try_to_lock): Declare inline.
	(__try_lock_impl::__do_try_lock): Qualify function calls.
	(lock): Avoid narrowing conversion.
	* testsuite/20_util/bind/60497.cc: New.
	* testsuite/23_containers/array/element_access/60497.cc: New.
	* testsuite/30_threads/call_once/60497.cc: New.
	* testsuite/30_threads/unique_lock/cons/60497.cc: New.

From-SVN: r210388
2014-05-13 18:22:08 +01:00

41 lines
1.2 KiB
C++

// { dg-options "-std=gnu++11" }
// { dg-do compile }
// Copyright (C) 2014 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/>.
// libstdc++/60497
#include <functional>
#include <memory>
struct A;
template<typename T> struct B { T t; };
using UP = std::unique_ptr<B<A>>;
bool f(UP&, UP&) { return true; }
bool g(UP& p)
{
auto binder = std::bind(f, std::ref(p), std::placeholders::_1);
bool b1 = binder(std::ref(p));
auto binderbinder = std::bind(binder, std::placeholders::_1);
bool b2 = binderbinder(std::ref(p));
return b1 && b2;
}