ninja: Entering directory `out/gn'
[1/1] Regenerating ninja files
[1/8676] ACTION //lldb/test:lit_unit_site_cfg(//llvm/utils/gn/build/toolchain:win)
FAILED: gen/lldb/test/Unit/lit.site.cfg.py 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/lldb/test/Unit/lit.site.cfg.py ../../lldb/test/Unit/lit.site.cfg.py.in "LIT_SITE_CFG_IN_HEADER=## Autogenerated from //lldb/test/Unit/lit.site.cfg.py.in, do not edit" LLDB_BINARY_DIR=C:/src/llvm-project/out/gn/obj/lldb LLDB_SOURCE_DIR=C:/src/llvm-project/lldb LLVM_BINARY_DIR=C:/src/llvm-project/out/gn/obj/llvm LLVM_LIBS_DIR= LLVM_LIT_TOOLS_DIR= LLVM_SOURCE_DIR=C:/src/llvm-project/llvm LLVM_TOOLS_DIR=C:/src/llvm-project/out/gn/bin Python3_EXECUTABLE=python3 LLVM_TARGET_TRIPLE=x86_64-pc-windows-msvc LLVM_BUILD_MODE=.
Traceback (most recent call last):
  File "C:\src\llvm-project\llvm\utils\gn\build\write_cmake_config.py", line 122, in <module>
    sys.exit(main())
  File "C:\src\llvm-project\llvm\utils\gn\build\write_cmake_config.py", line 72, in main
    in_line = var_re.sub(repl, in_line)

  File "C:\src\llvm-project\llvm\utils\gn\build\write_cmake_config.py", line 70, in repl

    return values[key]

KeyError: 'LLVM_USE_SANITIZER'

[2/8676] CXX obj/llvm/lib/Support/Support.CRC.obj
[3/8676] CXX obj/llvm/lib/Support/Support.ConvertEBCDIC.obj
[4/8676] CXX obj/llvm/lib/Support/Support.CSKYAttributes.obj
[5/8676] CXX obj/llvm/lib/Support/Support.ARMWinEH.obj
[6/8676] CXX obj/llvm/lib/Support/Support.Allocator.obj
[7/8676] CXX obj/llvm/lib/Support/Support.DJB.obj
[8/8676] CXX obj/llvm/lib/Support/Support.ELFAttributes.obj
[9/8676] CXX obj/llvm/lib/Support/Support.DynamicAPInt.obj
[10/8676] CXX obj/llvm/lib/Support/Support.BlockFrequency.obj
[11/8676] CXX obj/llvm/lib/Support/Support.BranchProbability.obj
[12/8676] CXX obj/llvm/lib/Support/Support.Compression.obj
[13/8676] CXX obj/llvm/lib/Support/Support.ARMBuildAttrs.obj
[14/8676] CXX obj/llvm/lib/Support/Support.BinaryStreamError.obj
[15/8676] CXX obj/llvm/lib/Support/Support.ConvertUTFWrapper.obj
[16/8676] CXX obj/llvm/lib/Support/Support.APSInt.obj
[17/8676] CXX obj/llvm/lib/Support/Support.Base64.obj
[18/8676] CXX obj/llvm/lib/Support/Support.Chrono.obj
[19/8676] CXX obj/llvm/lib/Option/Option.Option.obj
[20/8676] CXX obj/llvm/lib/Remarks/Remarks.RemarkFormat.obj
[21/8676] CXX obj/llvm/lib/Support/Support.CSKYAttributeParser.obj
[22/8676] CXX obj/llvm/lib/Support/Support.BinaryStreamRef.obj
[23/8676] CXX obj/llvm/lib/Remarks/Remarks.Remark.obj
[24/8676] CXX obj/llvm/lib/Remarks/Remarks.RemarkStringTable.obj
[25/8676] CXX obj/llvm/lib/Support/Support.BinaryStreamReader.obj
[26/8676] CXX obj/llvm/lib/Support/Support.DataExtractor.obj
[27/8676] CXX obj/llvm/lib/Support/Support.BinaryStreamWriter.obj
[28/8676] CXX obj/llvm/lib/Support/Support.Debug.obj
[29/8676] CXX obj/llvm/lib/Remarks/Remarks.RemarkStreamer.obj
[30/8676] CXX obj/llvm/lib/Support/Support.DAGDeltaAlgorithm.obj
[31/8676] CXX obj/llvm/lib/Support/Support.APFixedPoint.obj
[32/8676] CXX obj/llvm/lib/Support/Support.CachePruning.obj
[33/8676] CXX obj/llvm/lib/Support/Support.DebugCounter.obj
[34/8676] CXX obj/llvm/lib/Support/Support.Caching.obj
[35/8676] CXX obj/llvm/lib/Remarks/Remarks.RemarkSerializer.obj
[36/8676] CXX obj/llvm/lib/Support/Support.ARMAttributeParser.obj
[37/8676] CXX obj/llvm/lib/Support/Support.AMDGPUMetadata.obj
[38/8676] CXX obj/llvm/lib/Support/Support.CrashRecoveryContext.obj
[39/8676] CXX obj/llvm/lib/Support/Support.ELFAttributeParser.obj
[40/8676] CXX obj/llvm/lib/Support/Support.CodeGenCoverage.obj
[41/8676] CXX obj/llvm/lib/Remarks/Remarks.YAMLRemarkSerializer.obj
[42/8676] CXX obj/llvm/lib/Remarks/Remarks.RemarkParser.obj
[43/8676] CXX obj/llvm/lib/Remarks/Remarks.YAMLRemarkParser.obj
[44/8676] CXX obj/llvm/lib/Remarks/Remarks.RemarkLinker.obj
[45/8676] CXX obj/llvm/lib/Remarks/Remarks.BitstreamRemarkSerializer.obj
[46/8676] CXX obj/llvm/lib/Remarks/Remarks.BitstreamRemarkParser.obj
[47/8676] CXX obj/llvm/lib/Support/Support.APInt.obj
[48/8676] CXX obj/llvm/lib/Support/Support.APFloat.obj
[49/8676] CXX obj/llvm/lib/Support/Support.BalancedPartitioning.obj
[50/8676] CXX obj/llvm/lib/Support/Support.CommandLine.obj
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.