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// { dg-options "-std=gnu++0x" }

// Copyright (C) 2007, 2008, 2009

// 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/>.

// 19.1 Exception classes

#include <cstring>

#include <string>

#include <system_error>

#include <testsuite_hooks.h>

// Make sure each invocation of what() doesn't grow the message.

void test01()

{

  bool test __attribute__((unused)) = true;

  std::string s("after nine thirty, this request cannot be met");

  std::system_error obj =

    std::system_error(std::make_error_code(std::errc::invalid_argument), s);

  std::string s1(obj.what());

  std::string s2(obj.what());

  VERIFY( s1 == s2 );

}

int main(void)

{

  test01();

  return 0;

}