1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <iostream>
10 
11 // istream cerr;
12 
13 // UNSUPPORTED: executor-has-no-bash
14 // FILE_DEPENDENCIES: ../check-stderr.sh
15 // RUN: %{build}
16 // RUN: %{exec} bash check-stderr.sh "%t.exe" "1234"
17 
18 #include <iostream>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 
main(int,char **)23 int main(int, char**) {
24     std::cerr << "1234";
25     assert(std::cerr.flags() & std::ios_base::unitbuf);
26     assert(std::cerr.tie() == &std::cout);
27     return 0;
28 }
29