1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <regex>
11
12// template <class BidirectionalIterator> class sub_match;
13
14// constexpr sub_match();
15
16#include <regex>
17#include <cassert>
18
19int main()
20{
21    {
22        typedef char CharT;
23        typedef std::sub_match<const CharT*> SM;
24        SM sm;
25        assert(sm.matched == false);
26    }
27    {
28        typedef wchar_t CharT;
29        typedef std::sub_match<const CharT*> SM;
30        SM sm;
31        assert(sm.matched == false);
32    }
33}
34