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 // UNSUPPORTED: c++03, c++11, c++14
10 // UNSUPPORTED: availability-filesystem-missing
11
12 // check that <filesystem> functions are marked [[nodiscard]]
13
14 #include <filesystem>
15
test()16 void test() {
17 std::filesystem::path path;
18 path.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
19 }
20