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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  // <iostream>
11  
12  // istream wcerr;
13  
14  #include <iostream>
15  #include <cassert>
16  
main()17  int main()
18  {
19  #if 0
20      std::wcerr << L"Hello World!\n";
21  #else
22  #ifdef _LIBCPP_HAS_NO_STDOUT
23      assert(std::wcerr.tie() == NULL);
24  #else
25      assert(std::wcerr.tie() == &std::wcout);
26  #endif
27      assert(std::wcerr.flags() & std::ios_base::unitbuf);
28  #endif  // 0
29  }
30