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25 lines
756 B
C++
25 lines
756 B
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Test that _LIBCPP_NODISCARD_AFTER_CXX17 works
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// #define _LIBCPP_NODISCARD_AFTER_CXX17 [[nodiscard]]
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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#include <__config>
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_LIBCPP_NODISCARD_AFTER_CXX17 int foo() { return 6; }
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int main(int, char**)
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{
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foo(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
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return 0;
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}
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