forked from OSchip/llvm-project
39 lines
964 B
C++
39 lines
964 B
C++
//===----------------------------------------------------------------------===//
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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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#ifndef _LIBCPP___UTILITY_UNREACHABLE_H
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#define _LIBCPP___UTILITY_UNREACHABLE_H
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#include <__config>
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#include <cstdlib>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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_LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI inline void __libcpp_unreachable()
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{
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#if __has_builtin(__builtin_unreachable)
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__builtin_unreachable();
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#else
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std::abort();
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#endif
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}
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#if _LIBCPP_STD_VER > 20
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[[noreturn]] _LIBCPP_HIDE_FROM_ABI inline void unreachable() { __libcpp_unreachable(); }
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#endif // _LIBCPP_STD_VER > 20
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_LIBCPP_END_NAMESPACE_STD
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#endif
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