ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/7774] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/7774] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/7774] ACTION //clang/include/clang/Config:Config(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/clang/include/clang/Config/config.h 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/clang/include/clang/Config/config.h ../../clang/include/clang/Config/config.h.cmake BUG_REPORT_URL=https://github.com/llvm/llvm-project/issues/ CLANG_DEFAULT_PIE_ON_LINUX=1 CLANG_DEFAULT_LINKER= CLANG_DEFAULT_CXX_STDLIB= CLANG_DEFAULT_RTLIB= CLANG_DEFAULT_OBJCOPY=objcopy CLANG_DEFAULT_OPENMP_RUNTIME=libomp CLANG_DEFAULT_UNWINDLIB= CLANG_INSTALL_LIBDIR_BASENAME=lib CLANG_RESOURCE_DIR= C_INCLUDE_DIRS= CLANG_CONFIG_FILE_SYSTEM_DIR= CLANG_CONFIG_FILE_USER_DIR= CLANG_SPAWN_CC1= CLANG_USE_XCSELECT= CLANG_XCSELECT_HOST_SDK_POLICY= DEFAULT_SYSROOT= GCC_INSTALL_PREFIX= ENABLE_LINKER_BUILD_ID= ENABLE_X86_RELAX_RELOCATIONS=1 CLANG_ENABLE_OBJC_REWRITER= CLANG_ENABLE_CIR= CLANG_SYSTEMZ_DEFAULT_ARCH=z10 PPC_LINUX_DEFAULT_IEEELONGDOUBLE= CLANG_ENABLE_STATIC_ANALYZER=1 CLANG_HAVE_DLADDR=1 CLANG_HAVE_DLFCN_H=1 CLANG_HAVE_RLIMITS=1 CLANG_HAVE_LIBXML=1 HOST_LINK_VERSION=
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 79, in main
    if values[var] == "0":
       ~~~~~~^^^^^
KeyError: 'CLANG_USE_EXPERIMENTAL_CONST_INTERP'
[4/7774] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[5/7774] CXX obj/llvm/lib/ABI/ABI.TargetInfo.o
[6/7774] CXX obj/llvm/lib/ABI/ABI.FunctionInfo.o
[7/7774] CXX obj/llvm/lib/CodeGenTypes/CodeGenTypes.LowLevelType.o
[8/7774] CXX obj/llvm/lib/ABI/ABI.IRTypeMapper.o
[9/7774] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.SFrame.o
[10/7774] CXX obj/llvm/lib/Bitcode/Reader/Reader.ValueList.o
[11/7774] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.MsgPackDocumentYAML.o
[12/7774] CXX obj/llvm/lib/CGData/CGData.OutlinedHashTree.o
[13/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFCompileUnit.o
[14/7774] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.DXContainer.o
[15/7774] CXX obj/bolt/lib/Utils/Utils.CommandLineOpts.o
[16/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugPubTable.o
[17/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFTypeUnit.o
[18/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFAbbreviationDeclaration.o
[19/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugAranges.o
[20/7774] CXX obj/llvm/unittests/Object/ObjectTests.SymbolSizeTest.o
[21/7774] CXX obj/llvm/tools/obj2yaml/obj2yaml.minidump2yaml.o
[22/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugInfoEntry.o
[23/7774] CXX obj/llvm/unittests/Object/ObjectTests.COFFObjectFileTest.o
[24/7774] CXX obj/llvm/lib/CGData/CGData.OutlinedHashTreeRecord.o
[25/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugRangeList.o
[26/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugMacro.o
[27/7774] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIFunctionFrameAnalyzer.o
[28/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugRnglists.o
[29/7774] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIFunctionFrameStreamer.o
[30/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugLoc.o
[31/7774] CXX obj/llvm/tools/obj2yaml/obj2yaml.obj2yaml.o
[32/7774] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIState.o
[33/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFExpressionPrinter.o
[34/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugAddr.o
[35/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugArangeSet.o
[36/7774] CXX obj/llvm/unittests/Object/ObjectTests.SymbolicFileTest.o
[37/7774] CXX obj/llvm/lib/CGData/CGData.StableFunctionMap.o
[38/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFFormValue.o
[39/7774] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.BytesOutputStyle.o
[40/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFListTable.o
[41/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugFrame.o
[42/7774] CXX obj/llvm/lib/AsmParser/AsmParser.AsmParserContext.o
[43/7774] CXX obj/llvm/lib/CGData/CGData.StableFunctionMapRecord.o
[44/7774] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIAnalysis.o
[45/7774] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitReader.o
[46/7774] CXX obj/llvm/lib/AsmParser/AsmParser.LLLexer.o
[47/7774] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVLine.o
[48/7774] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVElement.o
[49/7774] CXX obj/llvm/lib/CGData/CGData.CodeGenDataWriter.o
[50/7774] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVLocation.o
[51/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDie.o
[52/7774] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVCompare.o
[53/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugLine.o
[54/7774] CXX obj/llvm/lib/CGData/CGData.CodeGenDataReader.o
[55/7774] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitcodeAnalyzer.o
[56/7774] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.MinimalTypeDumper.o
[57/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFAcceleratorTable.o
[58/7774] CXX obj/llvm/lib/CGData/CGData.CodeGenData.o
[59/7774] CXX obj/llvm/lib/AsmParser/AsmParser.Parser.o
[60/7774] CXX obj/llvm/unittests/Object/ObjectTests.XCOFFObjectFileTest.o
[61/7774] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectVariable.o
[62/7774] CXX obj/llvm/unittests/Object/ObjectTests.ELFTest.o
[63/7774] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFContext.o
[64/7774] CXX obj/llvm/lib/Bitcode/Reader/Reader.MetadataLoader.o
[65/7774] CXX obj/llvm/unittests/Object/ObjectTests.ELFObjectFileTest.o
[66/7774] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.DumpOutputStyle.o
[67/7774] CXX obj/llvm/lib/AsmParser/AsmParser.LLParser.o
[68/7774] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitcodeReader.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.