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06ee65af9e
release/18.x branch, commit 78b99c73ee4b96fe9ce0e294d4632326afb2db42 This adds the flag `-D_LIBCPP_HARDENING_MODE` which is determined based on the Zig optimization mode. This commit also fixes libunwind, libcxx, and libcxxabi to properly report sub compilation errors.
61 lines
1.7 KiB
C++
Vendored
61 lines
1.7 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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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___ITERATOR_MOVE_SENTINEL_H
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#define _LIBCPP___ITERATOR_MOVE_SENTINEL_H
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#include <__concepts/assignable.h>
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#include <__concepts/convertible_to.h>
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#include <__concepts/semiregular.h>
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#include <__config>
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#include <__utility/move.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_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 20
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template <semiregular _Sent>
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class _LIBCPP_TEMPLATE_VIS move_sentinel {
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public:
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_LIBCPP_HIDE_FROM_ABI move_sentinel() = default;
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_LIBCPP_HIDE_FROM_ABI constexpr explicit move_sentinel(_Sent __s) : __last_(std::move(__s)) {}
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template <class _S2>
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requires convertible_to<const _S2&, _Sent>
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_LIBCPP_HIDE_FROM_ABI constexpr move_sentinel(const move_sentinel<_S2>& __s) : __last_(__s.base()) {}
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template <class _S2>
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requires assignable_from<_Sent&, const _S2&>
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_LIBCPP_HIDE_FROM_ABI constexpr move_sentinel& operator=(const move_sentinel<_S2>& __s) {
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__last_ = __s.base();
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return *this;
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}
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_LIBCPP_HIDE_FROM_ABI constexpr _Sent base() const { return __last_; }
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private:
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_Sent __last_ = _Sent();
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};
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_LIBCPP_CTAD_SUPPORTED_FOR_TYPE(move_sentinel);
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#endif // _LIBCPP_STD_VER >= 20
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ITERATOR_MOVE_SENTINEL_H
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