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

// { dg-do compile }

//

// 2009-06-17  Stephen M. Webb  <stephen.webb@xandros.com>

//

// 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/>.

// 28.5.1 

#include <regex>

void

test01()

{

  std::regex_constants::syntax_option_type option { };

  option = option | std::regex_constants::icase;

  option = option | std::regex_constants::nosubs;

  option = option | std::regex_constants::optimize;

  option = option | std::regex_constants::collate;

  option = option | std::regex_constants::ECMAScript;

  option = option | std::regex_constants::basic;

  option = option | std::regex_constants::extended;

  option = option | std::regex_constants::awk;

  option = option | std::regex_constants::grep;

  option = option | std::regex_constants::egrep;

}

void

test02()

{

  std::regex_constants::syntax_option_type option { };

  option = option & std::regex_constants::icase;

  option = option & std::regex_constants::nosubs;

  option = option & std::regex_constants::optimize;

  option = option & std::regex_constants::collate;

  option = option & std::regex_constants::ECMAScript;

  option = option & std::regex_constants::basic;

  option = option & std::regex_constants::extended;

  option = option & std::regex_constants::awk;

  option = option & std::regex_constants::grep;

  option = option & std::regex_constants::egrep;

}

void

test03()

{

  std::regex_constants::syntax_option_type option { };

  option = ~std::regex_constants::icase;

  option = ~std::regex_constants::nosubs;

  option = ~std::regex_constants::optimize;

  option = ~std::regex_constants::collate;

  option = ~std::regex_constants::ECMAScript;

  option = ~std::regex_constants::basic;

  option = ~std::regex_constants::extended;

  option = ~std::regex_constants::awk;

  option = ~std::regex_constants::grep;

  option = ~std::regex_constants::egrep;

  option = option;

}

void

test04_constexpr()

{

  using namespace std::regex_constants;

  constexpr auto a1 __attribute__((unused)) = icase | awk;

  constexpr auto a2 __attribute__((unused)) = icase & awk;

  constexpr auto a3 __attribute__((unused)) = ~grep;

}

int main()

{

  test01();

  test02();

  test03();

  return 0;

}