ninja: Entering directory `out/gn'
[1/396] ACTION //llvm/lib/Target/AArch64:AArch64GenMCPseudoLowering(//llvm/utils/gn/build/toolchain:unix)
[2/396] ACTION //llvm/tools/llvm-exegesis/lib/AArch64:AArch64GenExegesis(//llvm/utils/gn/build/toolchain:unix)
[3/396] ACTION //llvm/lib/Target/AArch64:AArch64GenPostLegalizeGILowering(//llvm/utils/gn/build/toolchain:unix)
[4/396] ACTION //llvm/lib/Target/AArch64:AArch64GenO0PreLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix)
[5/396] ACTION //llvm/lib/Target/AArch64:AArch64GenPostLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix)
[6/396] ACTION //llvm/lib/Target/AArch64:AArch64GenCallingConv(//llvm/utils/gn/build/toolchain:unix)
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[10/395] ACTION //llvm/lib/Target/AArch64:AArch64GenFastISel(//llvm/utils/gn/build/toolchain:unix)
[11/395] ACTION //llvm/lib/Target/AArch64/Disassembler:AArch64GenDisassemblerTables(//llvm/utils/gn/build/toolchain:unix)
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[13/395] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenAsmWriter(//llvm/utils/gn/build/toolchain:unix)
[14/395] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenAsmWriter1(//llvm/utils/gn/build/toolchain:unix)
[15/395] ACTION //clang-tools-extra/test:lit_site_cfg(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/clang-tools-extra/test/lit.site.cfg.py 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/clang-tools-extra/test/lit.site.cfg.py ../../clang-tools-extra/test/lit.site.cfg.py.in LIT_SITE_CFG_IN_HEADER=\#\#\ Autogenerated\ from\ //clang-tools-extra/test/lit.site.cfg.py.in,\ do\ not\ edit CLANG_TOOLS_BINARY_DIR=/Users/thakis/src/llvm-project/out/gn/obj/clang-tools-extra CLANG_TOOLS_SOURCE_DIR=/Users/thakis/src/llvm-project/clang-tools-extra LLVM_LIBS_DIR= LLVM_TARGET_TRIPLE=arm64-apple-darwin SHLIBDIR=/Users/thakis/src/llvm-project/out/gn/lib CURRENT_TOOLS_DIR=/Users/thakis/src/llvm-project/out/gn/bin CLANG_PLUGIN_SUPPORT=0 LLVM_HOST_TRIPLE=arm64-apple-darwin LLVM_LIT_TOOLS_DIR= LLVM_TOOLS_DIR=/Users/thakis/src/llvm-project/out/gn/bin Python3_EXECUTABLE=python3 CLANG_TIDY_ENABLE_STATIC_ANALYZER=1 LLVM_PLUGIN_EXT=.dylib
Traceback (most recent call last):
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 122, in <module>
    sys.exit(main())
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 72, in main
    in_line = var_re.sub(repl, in_line)
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 70, in repl
    return values[key]
KeyError: 'CLANG_TIDY_ENABLE_QUERY_BASED_CUSTOM_CHECKS'
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[22/249] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenSubtargetInfo(//llvm/utils/gn/build/toolchain:unix)
[23/249] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenInstrInfo(//llvm/utils/gn/build/toolchain:unix)
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.