ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/2407] AR lib/libclangStaticAnalyzerCore.a
[2/2407] ACTION //llvm/tools/llvm-objcopy:llvm-extract-bundle-entry(//llvm/utils/gn/build/toolchain:unix)
[3/2407] ACTION //llvm/tools/llvm-objcopy:llvm-strip(//llvm/utils/gn/build/toolchain:unix)
[4/2407] ACTION //llvm/tools/llvm-objcopy:llvm-bitcode-strip(//llvm/utils/gn/build/toolchain:unix)
[5/2407] 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'
[6/2407] ACTION //llvm/tools/llvm-objcopy:llvm-install-name-tool(//llvm/utils/gn/build/toolchain:unix)
[7/2407] LINK obj/clang/unittests/StaticAnalyzer/StaticAnalysisTests
[8/2407] LINK obj/clang-tools-extra/unittests/clang-tidy/ClangTidyTests
[9/2407] LINK ./bin/dexp
[10/2407] LINK ./bin/clangd-remap
[11/2407] LINK ./bin/clangd-indexer
[12/2407] LINK ./bin/clangd
[13/2407] LINK obj/clang-tools-extra/clangd/unittests/ClangdTests
[14/2407] LINK ./bin/clang-tidy
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.