[libcxx-commits] [libcxx] [libc++] Overhaul the PSTL dispatching mechanism (PR #88131)

[Nikolas Klauser via libcxx-commits]

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@@ -0,0 +1,57 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___PSTL_HANDLE_EXCEPTION_H
+#define _LIBCPP___PSTL_HANDLE_EXCEPTION_H
+
+#include <__config>
+#include <__utility/forward.h>
+#include <__utility/move.h>
+#include <new> // __throw_bad_alloc
+#include <optional>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_PUSH_MACROS
+#include <__undef_macros>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+namespace __pstl {
+
+template <class _BackendFunction, class... _Args>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_ALWAYS_INLINE auto __handle_exception_impl(_Args&&... __args) noexcept {
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philnik777 wrote:

Why the `always_inline`?

https://github.com/llvm/llvm-project/pull/88131