// { dg-options "-std=gnu++11" }
// { dg-do compile }

// Copyright (C) 2015 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/>.

#include <sstream>

struct A {};

void operator<<(std::ostream&, const A&) { }
void operator>>(std::istream&, A&) { }

// PR libstdc++/65543
int main()
{
  A a;

  std::ostringstream() << a;
  std::istringstream() >> a;
}