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// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
// { dg-require-time "" }
 
// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation
//
// 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/>.
 
// 20.8.5 Clocks [time.clock]
 
#include <chrono>
 
// 20.8.5.1 system_clock [time.clock.system]
int
main()
{
  using namespace std::chrono;
 
  system_clock::time_point t1 = system_clock::now();
  bool is_steady = system_clock::is_steady;
  is_steady = is_steady; // suppress unused warning
  std::time_t t2 = system_clock::to_time_t(t1);
  system_clock::time_point t3 = system_clock::from_time_t(t2);
  t3 = t3; // suppress unused warning
 
  return 0;
}