ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/2370] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/2370] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/2370] ACTION //llvm/lib/Transforms/IPO:write_instrumentor_variables(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/llvm/include/llvm/Transforms/IPO/InstrumentorVariables.inc 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/llvm/include/llvm/Transforms/IPO/InstrumentorVariables.inc ../../llvm/include/llvm/Transforms/IPO/InstrumentorVariables.inc.in LLVM_INSTRUMENTOR_RUNTIME_HELPER=@file:/usr/local/google/home/thakis/src/llvm-project/out/gn
Traceback (most recent call last):
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 126, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 58, in main
    with open(file_path) as f:
         ~~~~^^^^^^^^^^^
IsADirectoryError: [Errno 21] Is a directory: '/usr/local/google/home/thakis/src/llvm-project/out/gn'
[4/2370] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[5/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVSupport.o
[6/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVObject.o
[7/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVSort.o
[8/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVLine.o
[9/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVRange.o
[10/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVSymbol.o
[11/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVType.o
[12/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVLocation.o
[13/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVElement.o
[14/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVCompare.o
[15/2370] CXX obj/llvm/lib/Transforms/Utils/Utils.DebugSSAUpdater.o
[16/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVOptions.o
[17/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVReader.o
[18/2370] CXX obj/llvm/tools/llvm-debuginfo-analyzer/llvm-debuginfo-analyzer.llvm-debuginfo-analyzer.o
[19/2370] CXX obj/llvm/tools/llvm-debuginfo-analyzer/llvm-debuginfo-analyzer.Options.o
[20/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVScope.o
[21/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Readers/LogicalView.LVBinaryReader.o
[22/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Readers/LogicalView.LVDWARFReader.o
[23/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/LogicalView.LVReaderHandler.o
[24/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Readers/LogicalView.LVIRReader.o
[25/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Readers/LogicalView.LVCodeViewReader.o
[26/2370] CXX obj/llvm/lib/DebugInfo/LogicalView/Readers/LogicalView.LVCodeViewVisitor.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.