651d1efd96a6 buildworld failed

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1400092 1400090
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FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #0 
main-n263799-f81be7a8318b-dirty: Mon Jun 26 22:09:58 BST 2023 
grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC 
amd64
% bectl list -c creation | tail -n 2
n263630-ab3e6234ab6e-c -      -          644M  2023-06-24 11:42
n263799-f81be7a8318b-a NR     /          429G  2023-06-27 03:14
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----

…
In file included from 
/usr/src/contrib/llvm-project/llvm/lib/Support/BLAKE3/blake3.c:13:
/usr/src/contrib/llvm-project/llvm/lib/Support/BLAKE3/blake3_impl.h:53:10: 
fatal error: 'immintrin.h' file not found
#include <immintrin.h>
          ^~~~~~~~~~~~~
1 error generated.
*** [Support/BLAKE3/blake3.o] Error code 1

make[4]: stopped in /usr/src/lib/clang/libllvm
.ERROR_TARGET='Support/BLAKE3/blake3.o'
.ERROR_META_FILE='/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/clang/libllvm/Support_BLAKE3_blake3.o.meta'
.MAKE.LEVEL='4'
MAKEFILE=''
.MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'
_ERROR_CMD='/usr/local/bin/ccache cc  -O2 -pipe -O3 -pipe -march=native 
-mtune=native -fno-common 
-I/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/clang/libllvm 
-I/usr/src/sys/contrib/zstd/lib 
-I/usr/src/contrib/llvm-project/llvm/lib/Target/X86 
-I/usr/src/contrib/llvm-project/llvm/lib/ObjCopy -DBLAKE3_USE_NEON=0 
-I/usr/src/lib/clang/include 
-I/usr/src/contrib/llvm-project/llvm/include -D__STDC_CONSTANT_MACROS 
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DHAVE_VCS_VERSION_INC 
-DNDEBUG -DLLVM_DEFAULT_TARGET_TRIPLE=\"x86_64-unknown-freebsd14.0\" 
-DLLVM_HOST_TRIPLE=\"x86_64-unknown-freebsd14.0\" 
-DDEFAULT_SYSROOT=\"/usr/obj/usr/src/amd64.amd64/tmp\" 
-DLLVM_TARGET_ENABLE_X86 
-DLLVM_NATIVE_ASMPARSER=LLVMInitializeX86AsmParser 
-DLLVM_NATIVE_ASMPRINTER=LLVMInitializeX86AsmPrinter 
-DLLVM_NATIVE_DISASSEMBLER=LLVMInitializeX86Disassembler 
-DLLVM_NATIVE_TARGET=LLVMInitializeX86Target 
-DLLVM_NATIVE_TARGETINFO=LLVMInitializeX86TargetInfo 
-DLLVM_NATIVE_TARGETMC=LLVMInitializeX86TargetMC -ffunction-sections 
-fdata-sections -gline-tables-only -std=gnu99 -Wno-format-zero-length 
-Wno-pointer-sign -Wdate-time -Wno-empty-body -Wno-string-plus-int 
-Wno-unused-const-variable -Wno-error=unused-but-set-parameter 
-Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality 
-Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef 
-Wno-address-of-packed-member -Wno-switch -Wno-switch-enum 
-Wno-knr-promoted-parameter -Wno-parentheses -Qunused-arguments 
-I/usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/include -c 
/usr/src/contrib/llvm-project/llvm/lib/Support/BLAKE3/blake3.c -o 
Support/BLAKE3/blake3.o; ;'
.CURDIR='/usr/src/lib/clang/libllvm'
.MAKE='make'
.OBJDIR='/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/clang/libllvm'
.TARGETS='all'
CPUTYPE=''
…