//===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// // <locale> // class messages_base // { // public: // typedef unspecified catalog; // }; #include <locale> #include <type_traits> int main() { std::messages_base mb; }