ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/1053] LINK ./bin/llvm-remarkutil
[2/1053] LINK ./bin/llvm-stress
[3/1053] LINK ./bin/llvm-sim
[4/1053] LINK ./bin/llvm-size
[5/1053] LINK ./bin/llvm-strings
[6/1053] LINK ./bin/llvm-tli-checker
[7/1053] LINK ./bin/llvm-symbolizer
[8/1053] ACTION //llvm/tools/llvm-symbolizer:llvm-addr2line(//llvm/utils/gn/build/toolchain:unix)
[9/1053] LINK ./bin/obj2yaml
[10/1053] LINK ./bin/sanstats
[11/1053] LINK ./bin/llvm-mca
[12/1053] LINK ./bin/yaml2obj
[13/1053] LINK ./bin/llvm-dwarfdump
[14/1053] LINK ./bin/llvm-objdump
[15/1053] LINK ./bin/llvm-debuginfo-analyzer
[16/1053] LINK ./bin/llvm-nm
[17/1053] LINK ./bin/verify-uselistorder
[18/1053] LINK ./bin/sancov
[19/1053] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[20/1053] AR lib/libLLVMipo.a
[21/1053] AR lib/libLLVMNVPTXCodeGen.a
[22/1053] LINK ./bin/llvm-cfi-verify
[23/1053] LINK ./bin/llvm-cxxmap
[24/1053] LINK ./bin/llvm-cxxdump
[25/1053] 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.
[26/1053] LINK ./bin/llvm-dwp
[27/1053] LINK ./bin/llvm-dwarfutil
[28/1053] CXX obj/lldb/tools/lldb-server/lldb-server.lldb-gdbserver.o
[29/1053] CXX obj/clang/lib/CodeGen/CodeGen.CGExprComplex.o
[30/1053] CXX obj/clang/lib/CodeGen/CodeGen.CGException.o
[31/1053] CXX obj/clang/lib/CodeGen/CodeGen.CGExprCXX.o
[32/1053] CXX obj/clang/lib/CodeGen/CodeGen.CGExprAgg.o
[33/1053] CXX obj/clang/lib/CodeGen/CodeGen.CGExprConstant.o
[34/1053] CXX obj/clang/lib/CodeGen/CodeGen.CGExpr.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.