ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/431] LINK ./bin/llvm-profdata
FAILED: bin/llvm-profdata 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--color-diagnostics -fuse-ld=lld -o ./bin/llvm-profdata -Wl,--start-group obj/llvm/tools/llvm-profdata/llvm-profdata.llvm-profdata.o obj/BUILD_DIR/gen/llvm/tools/llvm-profdata/llvm-profdata.llvm_profdata-driver.o lib/libLLVMDebuginfod.a lib/libLLVMCore.a lib/libLLVMProfileData.a lib/libLLVMSupport.a lib/libLLVMSymbolize.a lib/libLLVMDebugInfoBTF.a lib/libLLVMSupportBlake3.a lib/libLLVMDemangle.a lib/libLLVMDebugInfoDWARF.a lib/libLLVMBinaryFormat.a lib/libLLVMTargetParser.a lib/libLLVMDebugInfoDWARFLowLevel.a lib/libLLVMMC.a lib/libLLVMDebugInfoCodeView.a lib/libLLVMDebugInfoMSF.a lib/libLLVMObject.a lib/libLLVMBitReader.a lib/libLLVMBitstreamReader.a lib/libLLVMRemarks.a lib/libLLVMIRReader.a lib/libLLVMAsmParser.a lib/libLLVMMCParser.a lib/libLLVMTextAPI.a lib/libLLVMDebugInfoGSYM.a lib/libLLVMDebugInfoPDB.a -Wl,--end-group -ldl -lpthread -lz
ld.lld: error: duplicate symbol: main
>>> defined at llvm-profdata.cpp
>>>            obj/llvm/tools/llvm-profdata/llvm-profdata.llvm-profdata.o:(main)
>>> defined at llvm_profdata-driver.cpp
>>>            obj/BUILD_DIR/gen/llvm/tools/llvm-profdata/llvm-profdata.llvm_profdata-driver.o:(.text+0x0)
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[2/431] CXX obj/llvm/lib/Analysis/Analysis.InstructionSimplify.o
[3/431] CXX obj/llvm/lib/Analysis/Analysis.ValueTracking.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.