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29 lines
754 B
29 lines
754 B
4 months ago
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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// class deque
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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 <string>
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#include "test_macros.h"
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int main ()
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{
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std::string c;
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c.empty(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
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}
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