ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/432] AR lib/libLLVMExegesisAArch64.a
[2/432] AR lib/libLLVMExegesisX86.a
[3/432] AR lib/libLLVMExegesisPowerPC.a
[4/432] AR lib/libLLVMExegesisRISCV.a
[5/432] AR lib/libLLVMInstrumentation.a
[6/432] AR lib/libLLVMVectorize.a
[7/432] AR lib/libclangInterpreter.a
[8/432] ACTION //llvm/tools/llvm-readobj:llvm-readelf(//llvm/utils/gn/build/toolchain:unix)
[9/432] ACTION //llvm/test:lit_site_cfg(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/llvm/test/lit.site.cfg.py 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/llvm/test/lit.site.cfg.py ../../llvm/test/lit.site.cfg.py.in LIT_SITE_CFG_IN_HEADER=\#\#\ Autogenerated\ from\ //llvm/test/lit.site.cfg.py.in,\ do\ not\ edit\\n\\n\#\ Takes\ a\ path\ that\'s\ relative\ to\ __file__\ and\ makes\ it\ absolute.\\ndef\ path\(p\):\\n\ \ \ \ return\ os.path.abspath\(os.path.join\(__file__,\ \'..\',\ p\)\)\ if\ p\ else\ \'\' LLVM_BINARY_DIR=../../../obj/llvm LLVM_SOURCE_DIR=../../../../../llvm LLVM_TOOLS_DIR=../../../bin SHLIBDIR=../../../lib BUILD_SHARED_LIBS=0 HOST_CC=cc HOST_CXX=c++ HOST_LDFLAGS= ENABLE_BACKTRACES=1 LLVM_APPEND_VC_REV=0 LLVM_ENABLE_FFI=0 LLVM_ENABLE_HTTPLIB=0 LLVM_FORCE_VC_REVISION= LLVM_HAS_LOGF128=0 LLVM_HAVE_OPT_VIEWER_MODULES=0 LLVM_HOST_TRIPLE=x86_64-unknown-linux-gnu LLVM_INCLUDE_DXIL_TESTS=0 LLVM_INCLUDE_SPIRV_TOOLS_TESTS=0 LLVM_LIBS_DIR=../../../lib LLVM_LINK_LLVM_DYLIB=0 LLVM_LIT_TOOLS_DIR= LLVM_NATIVE_ARCH=X86 LLVM_TOOL_LLVM_DRIVER_BUILD=0 LLVM_USE_INTEL_JITEVENTS=0 LLVM_USE_SANITIZER= LLVM_VERSION_MAJOR=21 LLVM_VERSION_MINOR=0 LLVM_VERSION_SUFFIX=git Python3_EXECUTABLE=python3 TARGETS_TO_BUILD=AArch64\ AMDGPU\ ARM\ AVR\ BPF\ Hexagon\ Lanai\ LoongArch\ Mips\ NVPTX\ PowerPC\ RISCV\ Sparc\ SystemZ\ WebAssembly\ X86 LLVM_TARGET_TRIPLE=x86_64-unknown-linux-gnu LLVM_LIBCXX_USED=0 LLVM_BINDINGS= LLVM_BYE_LINK_INTO_TOOLS=0 LLVM_EXAMPLEIRTRANSFORMS_LINK_INTO_TOOLS=0 HAVE_OCAMLOPT=0 OCAMLFIND=OCAMLFIND-NOTFOUND OCAMLFLAGS= LLVM_BUILD_EXAMPLES=0 LLVM_HAVE_TF_AOT=0 LLVM_HAVE_TFLITE=0 LLVM_INLINER_MODEL_AUTOGENERATED=0 LLVM_RAEVICT_MODEL_AUTOGENERATED=0 PTXAS_EXECUTABLE= HOST_ARCH=x86_64 EXEEXT= LLVM_ENABLE_PLUGINS=1 LLVM_LIT_ERRC_MESSAGES= LLVM_PLUGIN_EXT=.so SHLIBEXT=.so HOST_OS=Linux GOLD_EXECUTABLE=ld CMAKE_OSX_SYSROOT= LD64_EXECUTABLE= ENABLE_ASSERTIONS=1 LLVM_ENABLE_DIA_SDK=0 LLVM_ENABLE_LIBXML2=1 LLVM_ENABLE_EXPENSIVE_CHECKS=0 LLVM_ENABLE_THREADS=1 LLVM_ENABLE_ZLIB=1 LLVM_ENABLE_ZSTD=0 LLVM_ENABLE_CURL=0 LLVM_ENABLE_REVERSE_ITERATION=0
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 122, 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 72, in main
    in_line = var_re.sub(repl, in_line)
              ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 70, in repl
    return values[key]
           ~~~~~~^^^^^
KeyError: 'LLVM_EXPERIMENTAL_KEY_INSTRUCTIONS'
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[14/432] LINK obj/llvm/unittests/MC/SystemZ/SystemZAsmLexerTests
[15/432] LINK ./bin/llvm-cat
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[18/432] LINK ./bin/verify-uselistorder
[19/432] LINK obj/llvm/unittests/Bitcode/BitcodeTests
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[36/432] LINK obj/llvm/unittests/Target/LoongArch/LoongArchTests
[37/432] LINK obj/llvm/unittests/tools/llvm-mca/LLVMMCATests
[38/432] LINK obj/clang/unittests/Lex/LexTests
[39/432] LINK ./bin/llvm-mca
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[45/432] LINK ./bin/clang-diff
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[72/432] SOLINK ./lib/libclang.so
[73/432] LINK ./bin/clang-check
[74/432] LINK ./bin/clang-repl
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.