1// Copyright (C) 2014-2015 Free Software Foundation, Inc.
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 3, or (at your option)
7// any later version.
8//
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// 28.6 [re.badexp]
19
20// { dg-options "-std=gnu++11" }
21
22#include <regex>
23
24struct re : std::regex_error
25{
26  re() : regex_error(std::regex_constants::error_stack) { }
27};
28
29int main()
30{
31  re r __attribute__((unused));
32}
33