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// <forward_list>
12
13// class forward_list
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 <forward_list>
21
22#include "test_macros.h"
23
24int main ()
25{
26    std::forward_list<int> c;
27    c.empty();  // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
28}
29