| Marshall Clow | 25a7ba4 | 2017-11-15 20:02:27 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===----------------------------------------------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | // <string> |
| 12 | |
| 13 | // class deque |
| 14 | |
| 15 | // bool empty() const noexcept; |
| 16 | |
| 17 | // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 |
| 18 | // UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8 |
| 19 | |
| 20 | #include <string> |
| 21 | |
| 22 | #include "test_macros.h" |
| 23 | |
| 24 | int main () |
| 25 | { |
| 26 | std::string c; |
| 27 | c.empty(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}} |
| 28 | } |