ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/24] COPY ../../libcxx/include/__vector/vector_bool.h include/c++/v1/__vector/vector_bool.h
[2/24] AR lib/libc++abi.a
[3/24] SOLINK lib/libc++abi.so
[4/24] 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)
[5/24] CXX stage2_unix/obj/libcxx/src/cxx_shared.vector.o
[6/24] CXX stage2_unix/obj/libcxx/src/cxx_static.vector.o
[7/24] CXX stage2_unix/obj/libcxx/src/cxx_static.thread.o
[8/24] CXX stage2_unix/obj/libcxx/src/cxx_static.regex.o
[9/24] CXX stage2_unix/obj/libcxx/src/cxx_shared.regex.o
[10/24] CXX stage2_unix/obj/libcxx/src/cxx_shared.thread.o
[11/24] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.path.o
[12/24] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_shared.path.o
[13/24] CXX stage2_unix/obj/libcxx/src/experimental/cxx_experimental.tzdb_list.o
[14/24] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.operations.o
[15/24] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_shared.operations.o
[16/24] CXX stage2_unix/obj/libcxx/src/experimental/cxx_experimental.tzdb.o
[17/24] CXX stage2_unix/obj/libcxx/src/cxx_shared.locale.o
[18/24] CXX stage2_unix/obj/libcxx/src/cxx_static.locale.o
[19/24] CXX stage2_unix/obj/libcxx/src/experimental/cxx_experimental.time_zone.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.