ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/561] ACTION //llvm/utils/llvm-lit:llvm-lit(//llvm/utils/gn/build/toolchain:unix)
[2/561] LINK obj/llvm/unittests/Telemetry/TelemetryTests
[3/561] LINK obj/llvm/unittests/TextAPI/TextAPITests
[4/561] LINK obj/llvm/unittests/TargetParser/TargetParserTests
[5/561] LINK obj/llvm/unittests/tools/llvm-profdata/LLVMProfdataTests
[6/561] 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.
[7/561] CXX obj/llvm/lib/Analysis/Analysis.IR2Vec.o
[8/561] CXX obj/llvm/unittests/Target/X86/X86Tests.MachineSizeOptsTest.o
[9/561] CXX obj/llvm/unittests/Transforms/Scalar/ScalarTests.LICMTest.o
[10/561] CXX obj/llvm/unittests/Target/X86/X86Tests.TernlogTest.o
[11/561] CXX obj/llvm/unittests/Transforms/Coroutines/CoroTests.ExtraRematTest.o
[12/561] CXX obj/clang/lib/CodeGen/CodeGen.CGOpenCLRuntime.o
[13/561] CXX obj/llvm/unittests/Transforms/Instrumentation/InstrumentationTests.PGOInstrumentationTest.o
[14/561] CXX obj/llvm/unittests/Transforms/Instrumentation/InstrumentationTests.MemProfUseTest.o
[15/561] CXX obj/llvm/unittests/Transforms/Scalar/ScalarTests.LoopPassManagerTest.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.