libcxx: update to LLVM 17

release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8

This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future
enhancement could possibly pass something different if there is a
compelling parallel implementation. That libdispatch one might be worth
looking into.

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/libcxx/include/__system_error/system_error.h b/lib/libcxx/include/__system_error/system_error.h
new file mode 100644
index 0000000000..bc829491a4
--- /dev/null
+++ b/lib/libcxx/include/__system_error/system_error.h
@@ -0,0 +1,48 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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___SYSTEM_ERROR_SYSTEM_ERROR_H
+#define _LIBCPP___SYSTEM_ERROR_SYSTEM_ERROR_H
+
+#include <__config>
+#include <__system_error/error_category.h>
+#include <__system_error/error_code.h>
+#include <stdexcept>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+class _LIBCPP_EXPORTED_FROM_ABI system_error : public runtime_error {
+  error_code __ec_;
+
+public:
+  system_error(error_code __ec, const string& __what_arg);
+  system_error(error_code __ec, const char* __what_arg);
+  system_error(error_code __ec);
+  system_error(int __ev, const error_category& __ecat, const string& __what_arg);
+  system_error(int __ev, const error_category& __ecat, const char* __what_arg);
+  system_error(int __ev, const error_category& __ecat);
+  _LIBCPP_HIDE_FROM_ABI system_error(const system_error&) _NOEXCEPT = default;
+  ~system_error() _NOEXCEPT override;
+
+  _LIBCPP_HIDE_FROM_ABI const error_code& code() const _NOEXCEPT { return __ec_; }
+
+private:
+  static string __init(const error_code&, string);
+};
+
+_LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __throw_system_error(int __ev, const char* __what_arg);
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___SYSTEM_ERROR_SYSTEM_ERROR_H