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      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 charT, class traits = regex_traits<charT>> class basic_regex;
     13 
     14 // template <class ST, class SA>
     15 //    basic_regex& operator=(const basic_string<charT, ST, SA>& p);
     16 
     17 #include <regex>
     18 #include <cassert>
     19 
     20 int main()
     21 {
     22     std::regex r2;
     23     r2 = std::string("(a([bc]))");
     24     assert(r2.flags() == std::regex::ECMAScript);
     25     assert(r2.mark_count() == 2);
     26 }
     27