Merge commit 87f3407856e6 from llvm-project (by Phoebe Wang):

[X86][Driver] Do not add `-evex512` for `-march=native` when the target doesn't support AVX512 (#91694)

This prevents problems with p

Merge commit 87f3407856e6 from llvm-project (by Phoebe Wang):

[X86][Driver] Do not add `-evex512` for `-march=native` when the target doesn't support AVX512 (#91694)

This prevents problems with ports that fail to build with
CPUTYPE=native, if the native CPU supports AVX512F, resulting in errors
like:

/wrkdirs/usr/ports/archivers/libdeflate/work/libdeflate-1.20/lib/x86/adler32_template.h:197:21: error: always_inline function '_mm512_set1_epi8' requires target feature 'evex512', but would be inlined into function 'adler32_x86_avx512_vl512_vnni' that is compiled without support for 'evex512'
197 | const vec_t ones = VSET1_8(1);
| ^
/wrkdirs/usr/ports/archivers/libdeflate/work/libdeflate-1.20/lib/x86/adler32_template.h:116:23: note: expanded from macro 'VSET1_8'
116 | # define VSET1_8(a) _mm512_set1_epi8(a)
| ^
/wrkdirs/usr/ports/archivers/libdeflate/work/libdeflate-1.20/lib/x86/adler32_template.h:197:21: error: AVX vector return of type '__m512i' (vector of 8 'long long' values) without 'evex512' enabled changes the ABI
/wrkdirs/usr/ports/archivers/libdeflate/work/libdeflate-1.20/lib/x86/adler32_template.h:116:23: note: expanded from macro 'VSET1_8'
116 | # define VSET1_8(a) _mm512_set1_epi8(a)
| ^

Ports known to be affected are: archivers/libdeflate, devel/highway,
www/node20, and lang/rust.

(For rust itself there is also a similar issue reported at
https://github.com/rust-lang/rust/pull/121088).

PR: 276104
Reported by: netchild
MFC after: 3 days

(cherry picked from commit fcfb2d6393712dee3f1f8f0c3840d14817dea416)

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Merge llvm-project release/18.x llvmorg-18.1.5-0-g617a15a9eac9

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.5-0-g617a15a9e

Merge llvm-project release/18.x llvmorg-18.1.5-0-g617a15a9eac9

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.5-0-g617a15a9eac9.

PR: 276104
MFC after: 3 days

(cherry picked from commit 5678d1d98a348f315453555377ccb28821a2ffcd)

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Merge llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9

Merge llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e.

PR: 276104
MFC after: 1 month

(cherry picked from commit 4c2d3b022a1d543dbbff75a0c53e8d3d7242216d)

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Merge llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc6c86965d967

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc

Merge llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc6c86965d967

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc6c86965d967.

PR: 276104
MFC after: 1 month

(cherry picked from commit b3edf4467982447620505a28fc82e38a414c07dc)

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Merge llvm-project main llvmorg-18-init-18359-g93248729cfae

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-18359-g93248729cfae, t

Merge llvm-project main llvmorg-18-init-18359-g93248729cfae

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-18359-g93248729cfae, the
last commit before the upstream release/18.x branch was created.

PR: 276104
MFC after: 1 month

(cherry picked from commit 7a6dacaca14b62ca4b74406814becb87a3fefac0)

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Merge llvm-project main llvmorg-18-init-16864-g3b3ee1f53424

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16864-g3b3ee1f53424.

Merge llvm-project main llvmorg-18-init-16864-g3b3ee1f53424

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16864-g3b3ee1f53424.

PR: 276104
MFC after: 1 month

(cherry picked from commit 297eecfb02bb25902531dbb5c3b9a88caf8adf29)

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Merge llvm-project main llvmorg-18-init-16595-g7c00a5be5cde

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16595-g7c00a5be5cde.

Merge llvm-project main llvmorg-18-init-16595-g7c00a5be5cde

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16595-g7c00a5be5cde.

PR: 276104
MFC after: 1 month

(cherry picked from commit 1db9f3b21e39176dd5b67cf8ac378633b172463e)

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