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30 lines
792 B
C++
30 lines
792 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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// <queue>
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// class queue
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// bool empty() const noexcept;
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
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#include <queue>
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#include "test_macros.h"
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int main(int, char**)
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{
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std::queue<int> c;
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c.empty(); // 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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