ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/451] ACTION //lld/tools/lld:lld-link(//llvm/utils/gn/build/toolchain:unix)
[2/451] ACTION //lld/tools/lld:ld.lld(//llvm/utils/gn/build/toolchain:unix)
[3/451] ACTION //lld/tools/lld:ld64.lld(//llvm/utils/gn/build/toolchain:unix)
[4/451] ACTION //lld/tools/lld:wasm-ld(//llvm/utils/gn/build/toolchain:unix)
[5/451] LINK ./bin/llvm-bat-dump
[6/451] LINK obj/bolt/unittests/Profile/ProfileTests
[7/451] LINK ./bin/lli-child-target
[8/451] LINK ./bin/llvm-bolt
[9/451] LINK ./bin/llvm-bolt-heatmap
[10/451] LINK obj/bolt/unittests/Core/CoreTests
[11/451] LINK ./bin/lli
[12/451] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[13/451] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[14/451] LINK ./bin/llvm-ar
[15/451] ACTION //llvm/tools/llvm-ar:llvm-dlltool(//llvm/utils/gn/build/toolchain:unix)
[16/451] ACTION //llvm/tools/llvm-ar:llvm-lib(//llvm/utils/gn/build/toolchain:unix)
[17/451] ACTION //llvm/tools/llvm-ar:llvm-ranlib(//llvm/utils/gn/build/toolchain:unix)
[18/451] CXX obj/clang/lib/Basic/Basic.Attributes.o
FAILED: obj/clang/lib/Basic/Basic.Attributes.o 
../../chromeclang/bin/clang++ -MMD -MF obj/clang/lib/Basic/Basic.Attributes.o.d -o obj/clang/lib/Basic/Basic.Attributes.o -c ../../clang/lib/Basic/Attributes.cpp  -I../../clang/lib/Basic -I../../llvm/include -Igen/llvm/include -I../../clang/include -Igen/clang/include -Igen/clang/include/clang/Basic -Igen/llvm/include/llvm/Frontend/OpenMP -Igen/clang/lib/Basic -Igen/clang/include/clang/Sema -arch arm64 -isysroot ../../sysroot/MacOSX.sdk -mmacos-version-min=12 -mmacos-version-min=12 -O3 -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wdelete-non-virtual-dtor -Wstring-conversion -no-canonical-prefixes -Werror=date-time -isysroot ../../sysroot/MacOSX.sdk -Wpoison-system-directories -fPIC -Wcovered-switch-default -fno-strict-aliasing -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
../../clang/lib/Basic/Attributes.cpp:234:10: fatal error: 'clang/Basic/AttributeSpellingList.inc' file not found
#include "clang/Basic/AttributeSpellingList.inc"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[19/451] LINK ./bin/llvm-extract
[20/451] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[21/451] LINK ./bin/llvm-libtool-darwin
[22/451] LINK ./bin/llvm-jitlink
[23/451] LINK ./bin/dsymutil
[24/451] LINK ./bin/llc
[25/451] LINK ./bin/bugpoint
[26/451] LINK ./bin/llvm-isel-fuzzer
[27/451] LINK ./bin/llvm-gsymutil
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.