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 
main()19 int 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