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e78f53d1e8
This reverts commit 68c04b0ae62d8431d72d8b47fc13008002ee4387. This disables the IWYU mapping that caused the failure, since the headers aren't reachable for now. This is the first part of the "Freezing C++03 headers" proposal explained in https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319/58. This patch mechanically copies the headers as of the LLVM 19.1 release into a subdirectory of libc++ so that we can start using these headers when building in C++03 mode. We are going to be backporting important changes to that copy of the headers until the LLVM 21 release. After the LLVM 21 release, only critical bugfixes will be fixed in the C++03 copy of the headers. This patch only performs a copy of the headers -- these headers are still unused by the rest of the codebase.
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
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___ALGORITHM_COMP_H
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#define _LIBCPP___ALGORITHM_COMP_H
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#include <__config>
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#include <__type_traits/desugars_to.h>
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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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struct __equal_to {
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template <class _T1, class _T2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator()(const _T1& __x, const _T2& __y) const {
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return __x == __y;
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}
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};
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template <class _Tp, class _Up>
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inline const bool __desugars_to_v<__equal_tag, __equal_to, _Tp, _Up> = true;
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// The definition is required because __less is part of the ABI, but it's empty
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// because all comparisons should be transparent.
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template <class _T1 = void, class _T2 = _T1>
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struct __less {};
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template <>
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struct __less<void, void> {
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template <class _Tp, class _Up>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator()(const _Tp& __lhs, const _Up& __rhs) const {
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return __lhs < __rhs;
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}
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};
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template <class _Tp>
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inline const bool __desugars_to_v<__less_tag, __less<>, _Tp, _Tp> = true;
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_COMP_H
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