368faacac7
This commit reverts5aaefa51(and also partly7f285f48e7andb6d75682f9, which were related to the original commit). As landed,5aaefa51had unintended consequences on some downstream bots and didn't have proper coverage upstream due to a few subtle things. Implementing this is something we should do in libc++, however we'll first need to address a few issues listed in https://reviews.llvm.org/D106124#3349710. Differential Revision: https://reviews.llvm.org/D120683
35 lines
980 B
C++
35 lines
980 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_DECLVAL_H
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#define _LIBCPP___UTILITY_DECLVAL_H
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#include <__config>
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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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// Suppress deprecation notice for volatile-qualified return type resulting
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// from volatile-qualified types _Tp.
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Tp>
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_Tp&& __declval(int);
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template <class _Tp>
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_Tp __declval(long);
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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template <class _Tp>
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decltype(__declval<_Tp>(0)) declval() _NOEXCEPT;
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___UTILITY_DECLVAL_H
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