text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  // <regex>
  
  // template <class charT, class traits = regex_traits<charT>> class basic_regex;
  
  // locale_type imbue(locale_type loc);
  
  #include <regex>
  #include <locale>
  #include <cassert>
  
  #include "platform_support.h" // locale name macros
  
  int main()
  {
      std::regex r;
      std::locale loc = r.imbue(std::locale(LOCALE_en_US_UTF_8));
      assert(loc.name() == "C");
      assert(r.getloc().name() == LOCALE_en_US_UTF_8);
      loc = r.imbue(std::locale("C"));
      assert(loc.name() == LOCALE_en_US_UTF_8);
      assert(r.getloc().name() == "C");
  }
  