Merge llvm-project release/19.x llvmorg-19.1.5-0-gab4b5a2db582

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.5-0-gab4b5a2db

Merge llvm-project release/19.x llvmorg-19.1.5-0-gab4b5a2db582

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.5-0-gab4b5a2db582,
a.k.a. 19.1.5 release.

PR: 280562
MFC after: 3 days

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Merge llvm-project release/19.x llvmorg-19.1.4-0-gaadaa00de76e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.4-0-gaadaa00de

Merge llvm-project release/19.x llvmorg-19.1.4-0-gaadaa00de76e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.4-0-gaadaa00de76e,
a.k.a. 19.1.4 release.

PR: 280562
MFC after: 1 month

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Merge llvm-project release/19.x llvmorg-19.1.3-0-gab51eccf88f5

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.3-0-gab51eccf8

Merge llvm-project release/19.x llvmorg-19.1.3-0-gab51eccf88f5

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.3-0-gab51eccf88f5,
a.k.a. 19.1.3 release.

PR: 280562
MFC after: 1 month

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Fix buildworld with gcc 12 after llvm-19 import

Unfortunately gcc 12's is not yet capable of compiling all of libc++
19's C++23 code, which results in errors similar to:

/usr/src/freebsd/src/cont

Fix buildworld with gcc 12 after llvm-19 import

Unfortunately gcc 12's is not yet capable of compiling all of libc++
19's C++23 code, which results in errors similar to:

/usr/src/freebsd/src/contrib/llvm-project/libcxx/include/__algorithm/ranges_contains.h:41:3: error: 'static constexpr bool std::__1::ranges::__contains::__fn::operator()(_Iter, _Sent, const _Type&, _Proj)' must be a non-static member function
41 | operator()(_Iter __first, _Sent __last, const _Type& __value, _Proj __proj = {}) {
| ^~~~~~~~
/usr/src/freebsd/src/contrib/llvm-project/libcxx/include/__algorithm/ranges_contains.h:48:3: error: 'static constexpr bool std::__1::ranges::__contains::__fn::operator()(_Range&&, const _Type&, _Proj)' must be a non-static member function
48 | operator()(_Range&& __range, const _Type& __value, _Proj __proj = {}) {
| ^~~~~~~~

Until we can get rid of gcc 12, work around this by making it compile
libc++ in C++20 mode instead.

NOTE: The resulting libc++ library will not be C++23 compatible! Please
try to avoid shipping it, and use gcc 13 instead, if you must use gcc.

PR: 280562
MFC after: 3 days

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Merge llvm-project release/19.x llvmorg-19.1.2-0-g7ba7d8e2f7b6

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.2-0-g7ba7d8e2f

Merge llvm-project release/19.x llvmorg-19.1.2-0-g7ba7d8e2f7b6

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.2-0-g7ba7d8e2f7b6,
a.k.a. 19.1.2 release.

PR: 280562
MFC after: 1 month

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Merge llvm-project release/19.x llvmorg-19.1.1-0-gd401987fe349

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.1-0-gd401987fe

Merge llvm-project release/19.x llvmorg-19.1.1-0-gd401987fe349

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.1-0-gd401987fe349,
a.k.a. 19.1.1 release.

PR: 280562
MFC after: 1 month

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Merge llvm-project release/19.x llvmorg-19.1.0-0-ga4bf6cd7cfb1

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-0-ga4bf6cd7c

Merge llvm-project release/19.x llvmorg-19.1.0-0-ga4bf6cd7cfb1

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-0-ga4bf6cd7cfb1,
a.k.a. 19.1.0 release.

PR: 280562
MFC after: 1 month

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Merge llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0c641568515a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0

Merge llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0c641568515a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0c641568515a.

PR: 280562
MFC after: 1 month

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Merge llvm-project release/19.x llvmorg-19.1.0-rc3-0-g437434df21d8

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc3-0-g4

Merge llvm-project release/19.x llvmorg-19.1.0-rc3-0-g437434df21d8

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc3-0-g437434df21d8.

PR: 280562
MFC after: 1 month

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Merge llvm-project release/19.x llvmorg-19.1.0-rc2-0-gd033ae172d1c

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc2-0-gd

Merge llvm-project release/19.x llvmorg-19.1.0-rc2-0-gd033ae172d1c

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc2-0-gd033ae172d1c.

PR: 280562
MFC after: 1 month

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libcxx-compat: revert llvmorg-19-init-4003-g55357160d0e1:

[libc++] Use GCC type traits builtins for remove_cv and remove_cvref (#81386)

They have been added recently to GCC without support for

libcxx-compat: revert llvmorg-19-init-4003-g55357160d0e1:

[libc++] Use GCC type traits builtins for remove_cv and remove_cvref (#81386)

They have been added recently to GCC without support for mangling. This
patch uses them in structs and adds aliases to these structs instead of
the builtins directly.

PR: 280562
MFC after: 1 month

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libcxx-compat: revert llvmorg-19-init-4504-g937a5396cf3e:

[libc++] Remove unused includes from __type_traits/is_convertible.h (#83747)

PR: 280562
MFC after: 1 month

libcxx-compat: revert llvmorg-19-init-5639-ga10aa4485e83:

[libc++] Simplify the implementation of remove_reference (#85207)

GCC 13 introduced the type trait `__remove_reference`. We can simplif

libcxx-compat: revert llvmorg-19-init-5639-ga10aa4485e83:

[libc++] Simplify the implementation of remove_reference (#85207)

GCC 13 introduced the type trait `__remove_reference`. We can simplify
the implementation of `remove_reference` a bit by using it.

PR: 280562
MFC after: 1 month

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libcxx-compat: revert llvmorg-19-init-8667-g472b612ccbed:

[libc++][NFC] Remove unused includes from <__type_traits/remove_cv.h> (#88752)

PR: 280562
MFC after: 1 month

libcxx-compat: revert llvmorg-19-init-17473-g69fecaa1a455:

[libc++] Clean up some now dead code with the upgrade to GCC 14 (#97746)

PR: 280562
MFC after: 1 month

libcxx-compat: revert llvmorg-19-init-17727-g0eebb48fcfbc:

[libc++] Merge is_member{,_object,_function}_pointer.h (#98727)

The implementations for these traits have been simplified quite a bit,

libcxx-compat: revert llvmorg-19-init-17727-g0eebb48fcfbc:

[libc++] Merge is_member{,_object,_function}_pointer.h (#98727)

The implementations for these traits have been simplified quite a bit,
since we have builtins available for them now.

PR: 280562
MFC after: 1 month

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libcxx-compat: revert llvmorg-19-init-17728-g30cc12cd818d:

[libc++] Simplify the implementation of is_null_pointer a bit (#98728)

PR: 280562
MFC after: 1 month

libcxx-compat: revert llvmorg-19-init-17853-g578c6191eff7:

[libc++] Simplify std::is_void (#99033)

PR: 280562
MFC after: 1 month

libcxx-compat: revert llvmorg-19-init-18062-g4dfa75c663e5:

[libc++] Merge is_scoped_enum.h into is_enum.h (#99458)

PR: 280562
MFC after: 1 month

libcxx-compat: revert llvmorg-19-init-18063-g561246e90282:

[libc++][NFC] Remove wrong #endif comment

PR: 280562
MFC after: 1 month

libcxx cstdlib, cwchar: avoid using long long functions if not
supported, even for older compilers that do not support the
using_if_exists attribute.

PR: 280562
MFC after: 1 month

libcxx atomic_ref.h: add typename keyword for difference_type
declarations, otherwise older clang versions cannot compile this header.

PR: 280562
MFC after: 1 month

libcxx simd_utils.h: only enable _LIBCPP_HAS_ALGORITHM_VECTOR_UTILS for
clang >= 15, since older versions do not support the required builtins.

PR: 280562
MFC after: 1 month

Merge llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga4902a36d5c2

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga

Merge llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga4902a36d5c2

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga4902a36d5c2.

PR: 280562
MFC after: 1 month

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Merge llvm-project main llvmorg-19-init-18630-gf2ccf80136a0

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, t

Merge llvm-project main llvmorg-19-init-18630-gf2ccf80136a0

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, the
last commit before the upstream release/19.x branch was created.

PR: 280562
MFC after: 1 month

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