//===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// // <iostream> // istream wclog; #include <iostream> int main() { #if 0 std::wclog << L"Hello World!\n"; #else (void)std::wclog; #endif }