Alex Rønne Petersen 156ab87500
libcxx: Update to Clang 20.
See:

* https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319
* https://discourse.llvm.org/t/rfc-project-hand-in-hand-llvm-libc-libc-code-sharing/77701

We're dropping support for C++03 for Zig due to the first change; it would be
insane to ship 1018 duplicate header files just for this outdated use case.

As a result of the second change, I had to bring in a subset of the headers from
llvm-libc since libc++ now depends on these. Hopefully we can continue to get
away with not copying the entirety of llvm-libc.
2025-04-04 06:08:09 +02:00

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Vendored

//===-- 128-bit signed and unsigned int types -------------------*- 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 LLVM_LIBC_SRC___SUPPORT_UINT128_H
#define LLVM_LIBC_SRC___SUPPORT_UINT128_H
#include "big_int.h"
#include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_INT128
#ifdef LIBC_TYPES_HAS_INT128
using UInt128 = __uint128_t;
using Int128 = __int128_t;
#else
using UInt128 = LIBC_NAMESPACE::UInt<128>;
using Int128 = LIBC_NAMESPACE::Int<128>;
#endif // LIBC_TYPES_HAS_INT128
#endif // LLVM_LIBC_SRC___SUPPORT_UINT128_H