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// { dg-options "-std=gnu++0x" }
 
// Copyright (C) 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/>.
 
#include <system_error>
#include <testsuite_hooks.h>
 
enum my_errc { my_err = 0 };
 
class my_error_category_impl
: public std::error_category
{
public:
  const char* name() const { return ""; }
  std::string message(int) const { return ""; }
} my_error_category_instance;
 
std::error_code
make_error_code(my_errc e)
{
  return std::error_code(static_cast<int>(e),
			 my_error_category_instance);
}
 
namespace std
{
  template<>
    struct is_error_code_enum<my_errc>
    : public true_type {};
}
 
// libstdc++/39882
void test01()
{
  bool test __attribute__((unused)) = true;
 
  std::error_code ec1(my_err);
  VERIFY( ec1 == make_error_code(my_err) );
}
 
int main()
{
  test01();
  return 0;
}