ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/7069] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/7069] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/7069] 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'
[4/7069] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[5/7069] CXX obj/lldb/source/Utility/Utility.ConstString.o
[6/7069] CXX obj/lldb/source/Host/common/Host.FileAction.o
[7/7069] CXX obj/lldb/source/Utility/Utility.GDBRemote.o
[8/7069] CXX obj/lldb/source/Host/common/Host.HostThread.o
[9/7069] CXX obj/lldb/source/Host/common/Host.PipeBase.o
[10/7069] CXX obj/lldb/source/Host/posix/Host.HostThreadPosix.o
[11/7069] CXX obj/lldb/source/Host/common/Host.LockFileBase.o
[12/7069] CXX obj/lldb/source/Host/posix/Host.LockFilePosix.o
[13/7069] CXX obj/lldb/source/Host/posix/Host.FilePosix.o
[14/7069] CXX obj/lldb/source/Host/common/Host.NativeWatchpointList.o
[15/7069] CXX obj/lldb/source/Host/linux/Host.AbstractSocket.o
[16/7069] CXX obj/lldb/source/Host/common/Host.HostProcess.o
[17/7069] CXX obj/lldb/source/Host/common/Host.ThreadLauncher.o
[18/7069] CXX obj/lldb/source/Host/common/Host.MainLoopBase.o
[19/7069] CXX obj/lldb/source/Utility/Utility.Instrumentation.o
[20/7069] CXX obj/lldb/source/Host/common/Host.MemoryMonitor.o
[21/7069] CXX obj/lldb/source/Host/common/Host.JSONTransport.o
[22/7069] CXX obj/lldb/source/Host/common/Host.UDPSocket.o
[23/7069] CXX obj/lldb/source/Utility/Utility.FileSpec.o
[24/7069] CXX obj/lldb/source/Utility/Utility.Diagnostics.o
[25/7069] CXX obj/lldb/source/Host/common/Host.ZipFileResolver.o
[26/7069] CXX obj/lldb/source/Host/common/Host.FileCache.o
[27/7069] CXX obj/lldb/source/Host/common/Host.PseudoTerminal.o
[28/7069] CXX obj/lldb/source/Host/common/Host.XML.o
[29/7069] CXX obj/lldb/source/Host/posix/Host.FileSystemPosix.o
[30/7069] CXX obj/lldb/source/Host/posix/Host.HostProcessPosix.o
[31/7069] CXX obj/lldb/source/Utility/Utility.DataExtractor.o
[32/7069] CXX obj/lldb/source/Utility/Utility.FileSpecList.o
[33/7069] CXX obj/lldb/source/Host/common/Host.HostNativeThreadBase.o
[34/7069] CXX obj/lldb/source/Host/common/Host.StreamFile.o
[35/7069] CXX obj/lldb/source/Utility/Utility.Args.o
[36/7069] CXX obj/lldb/source/Host/common/Host.NativeThreadProtocol.o
[37/7069] CXX obj/lldb/source/Host/posix/Host.DomainSocket.o
[38/7069] CXX obj/lldb/source/Host/common/Host.Socket.o
[39/7069] CXX obj/lldb/source/Utility/Utility.ProcessInfo.o
[40/7069] CXX obj/lldb/source/Host/posix/Host.MainLoopPosix.o
[41/7069] CXX obj/lldb/source/Host/common/Host.DiagnosticsRendering.o
[42/7069] CXX obj/lldb/source/Host/posix/Host.HostInfoPosix.o
[43/7069] CXX obj/lldb/source/Host/common/Host.NativeRegisterContext.o
[44/7069] CXX obj/lldb/source/Host/posix/Host.PipePosix.o
[45/7069] CXX obj/lldb/source/Host/linux/Host.HostInfoLinux.o
[46/7069] CXX obj/lldb/source/Host/common/Host.MonitoringProcessLauncher.o
[47/7069] CXX obj/lldb/source/Utility/Utility.Event.o
[48/7069] CXX obj/lldb/source/Host/common/Host.TCPSocket.o
[49/7069] CXX obj/lldb/source/Utility/Utility.Listener.o
[50/7069] CXX obj/lldb/source/Host/posix/Host.ProcessLauncherPosixFork.o
[51/7069] CXX obj/lldb/source/Host/common/Host.FileSystem.o
[52/7069] CXX obj/lldb/source/Host/common/Host.HostInfoBase.o
[53/7069] CXX obj/lldb/source/Host/common/Host.ProcessLaunchInfo.o
[54/7069] CXX obj/lldb/source/Host/common/Host.File.o
[55/7069] CXX obj/lldb/source/Utility/Utility.Broadcaster.o
[56/7069] CXX obj/lldb/source/Host/common/Host.Host.o
[57/7069] CXX obj/lldb/source/Host/posix/Host.ConnectionFileDescriptorPosix.o
[58/7069] CXX obj/lldb/source/Host/linux/Host.Host.o
[59/7069] CXX obj/lldb/source/Host/common/Host.NativeProcessProtocol.o
[60/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResultCast.o
[61/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectCast.o
[62/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResultChild.o
[63/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResult.o
[64/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResultImpl.o
[65/7069] CXX obj/lldb/source/ValueObject/ValueObject.DILLexer.o
[66/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectChild.o
[67/7069] CXX obj/lldb/source/ValueObject/ValueObject.DILParser.o
[68/7069] CXX obj/lldb/source/ValueObject/ValueObject.ValueObject.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.