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// <iostream>
11
12// istream wcerr;
13
14#include <iostream>
15#include <cassert>
16
17int main()
18{
19#if 0
20    std::wcerr << L"Hello World!\n";
21#else
22    assert(std::wcerr.tie() == &std::wcout);
23    assert(std::wcerr.flags() & std::ios_base::unitbuf);
24#endif  // 0
25}
26