ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Module.o
[2/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Use.o
[3/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.User.o
[4/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Type.o
[5/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Function.o
[6/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Constant.o
[7/5901] CXX obj/llvm/lib/IR/IR.RuntimeLibcalls.o
FAILED: obj/llvm/lib/IR/IR.RuntimeLibcalls.o 
../../chromeclang/bin/clang++ -MMD -MF obj/llvm/lib/IR/IR.RuntimeLibcalls.o.d -o obj/llvm/lib/IR/IR.RuntimeLibcalls.o -c ../../llvm/lib/IR/RuntimeLibcalls.cpp  -I../../llvm/include -Igen/llvm/include -Igen/llvm/include/llvm/IR -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 -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
In file included from ../../llvm/lib/IR/RuntimeLibcalls.cpp:9:
../../llvm/include/llvm/IR/RuntimeLibcalls.h:31:10: fatal error: 'llvm/IR/RuntimeLibcalls.inc' file not found
#include "llvm/IR/RuntimeLibcalls.inc"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[8/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Value.o
[9/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Region.o
[10/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Tracker.o
[11/5901] CXX obj/llvm/lib/ObjCopy/wasm/ObjCopy.WasmObject.o
[12/5901] CXX obj/llvm/lib/ObjCopy/MachO/ObjCopy.MachOObject.o
[13/5901] CXX obj/llvm/lib/ObjCopy/ObjCopy.ObjCopy.o
[14/5901] CXX obj/llvm/lib/ObjCopy/wasm/ObjCopy.WasmObjcopy.o
[15/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Context.o
[16/5901] CXX obj/llvm/lib/SandboxIR/SandboxIR.Instruction.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.