ninja: Entering directory `out/gn'
[1/1] Regenerating ninja files
[1/8578] 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'

[2/8578] CXX obj/llvm/lib/Support/Support.Signposts.obj
[3/8578] CXX obj/llvm/lib/Support/Support.SystemUtils.obj
[4/8578] CXX obj/llvm/lib/Support/Support.circular_raw_ostream.obj
[5/8578] CXX obj/llvm/lib/Support/Support.StringMap.obj
[6/8578] CXX obj/llvm/lib/Support/Support.UnicodeCaseFold.obj
[7/8578] CXX obj/llvm/lib/Support/Support.SmallVector.obj
[8/8578] CXX obj/llvm/lib/Support/Support.Unicode.obj
[9/8578] CXX obj/llvm/lib/Support/Support.VersionTuple.obj
[10/8578] CXX obj/llvm/lib/Support/Support.StringSaver.obj
[11/8578] CXX obj/llvm/lib/Support/Support.raw_os_ostream.obj
[12/8578] CXX obj/llvm/lib/Support/Support.SipHash.obj
[13/8578] CXX obj/llvm/lib/Support/Support.Twine.obj
[14/8578] CXX obj/llvm/lib/Support/Support.xxhash.obj
[15/8578] CXX obj/llvm/lib/Support/Support.TypeSize.obj
[16/8578] CXX obj/llvm/lib/Support/Support.SlowDynamicAPInt.obj
[17/8578] CXX obj/llvm/lib/Support/Support.StringExtras.obj
[18/8578] CXX obj/llvm/lib/Support/Support.Z3Solver.obj
[19/8578] CXX obj/llvm/lib/Support/Support.ToolOutputFile.obj
[20/8578] CXX obj/llvm/lib/Support/Support.TarWriter.obj
[21/8578] CXX obj/llvm/lib/Support/Support.UnicodeNameToCodepoint.obj
[22/8578] CXX obj/llvm/lib/Support/Support.WithColor.obj
[23/8578] CXX obj/llvm/lib/Support/Support.TrieRawHashMap.obj
[24/8578] CXX obj/llvm/lib/Support/Support.SuffixTree.obj
[25/8578] CXX obj/llvm/lib/TableGen/TableGen.Error.obj
[26/8578] CXX obj/llvm/lib/Support/Support.StringRef.obj
[27/8578] CXX obj/llvm/lib/Support/Support.SourceMgr.obj
[28/8578] CXX obj/llvm/lib/Support/Support.ThreadPool.obj
[29/8578] CXX obj/llvm/lib/Support/Support.Statistic.obj
[30/8578] CXX obj/llvm/lib/TableGen/TableGen.Parser.obj
[31/8578] CXX obj/llvm/lib/Support/Support.Memory.obj
[32/8578] CXX obj/llvm/lib/TableGen/TableGen.DetailedRecordsBackend.obj
[33/8578] CXX obj/llvm/lib/Support/Support.Threading.obj
[34/8578] CXX obj/llvm/lib/Support/Support.SpecialCaseList.obj
[35/8578] CXX obj/llvm/lib/Support/Support.TimeProfiler.obj
[36/8578] CXX obj/llvm/lib/TableGen/TableGen.SetTheory.obj
[37/8578] CXX obj/llvm/lib/TableGen/TableGen.JSONBackend.obj
[38/8578] CXX obj/llvm/lib/Support/Support.Program.obj
[39/8578] CXX obj/llvm/lib/Support/Support.DynamicLibrary.obj
[40/8578] CXX obj/llvm/lib/Support/Support.YAMLTraits.obj
[41/8578] CXX obj/llvm/lib/Support/Support.raw_socket_stream.obj
[42/8578] CXX obj/llvm/lib/Support/Support.Timer.obj
[43/8578] CXX obj/llvm/lib/Support/Support.Process.obj
[44/8578] CXX obj/llvm/lib/TableGen/TableGen.Main.obj
[45/8578] CXX obj/llvm/lib/Support/Support.YAMLParser.obj
[46/8578] CXX obj/llvm/lib/Support/Support.Signals.obj
[47/8578] CXX obj/llvm/lib/Support/Support.raw_ostream.obj
[48/8578] CXX obj/llvm/lib/Support/Support.Path.obj
[49/8578] CXX obj/llvm/lib/Support/Support.VirtualFileSystem.obj
[50/8578] CXX obj/llvm/lib/TableGen/TableGen.Record.obj
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.