INFO:2026-08-19T06:30:54Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   a6e40de862d6..508bdbc10203  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 508bdbc10203 [LV][NFC] Pre-commit SCEV check tests for PR #216975 (#217037)
INFO:2026-08-19T06:30:58Z:root:syncing...
Deleted branch merge (was 176cefb534a1).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 0ff3e1b90c90] [gn build] Port 61036c3361ce
 1 file changed, 1 insertion(+)
[merge 4341f290a084] [gn build] Port ab547095ead5
 1 file changed, 1 insertion(+)
[gn build] Port 61036c3361ce -- https://github.com/llvm/llvm-project/commit/61036c3361ce
[gn build] Port ab547095ead5 -- https://github.com/llvm/llvm-project/commit/ab547095ead5
INFO:2026-08-19T06:31:00Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/6052] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/6052] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/6052] AR lib/libLLVMSupport.a
[4/6052] AR lib/libgtest_main.a
[5/6052] 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_ENABLE_PROFCHECK=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_IR2VEC_TEST_PYTHON_BINDINGS=0 LLVM_IR2VEC_BINDINGS_DIR= LLVM_NATIVE_ARCH=X86 LLVM_TOOL_LLVM_DRIVER_BUILD=0 LLVM_USE_INTEL_JITEVENTS=0 LLVM_USE_SANITIZER= LLVM_VERSION_MAJOR=24 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_INCLUDE_EXAMPLES=0 LLVM_HAVE_OPENCSD=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= CMAKE_XCRUN= LD64_EXECUTABLE= ENABLE_ASSERTIONS=1 LLVM_ENABLE_DIA_SDK=0 LLVM_ENABLE_LIBXML2=1 LLVM_ENABLE_ONDISK_CAS=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 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 76, 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 74, in repl
    return values[key]
           ~~~~~~^^^^^
KeyError: 'LLVM_HAVE_MLIR_LOWERING'
[6/6052] LINK ./bin/clang-tidy-confusable-chars-gen
[7/6052] LINK ./bin/lldb-argdumper
[8/6052] LINK ./bin/split-file
[9/6052] LINK obj/llvm/unittests/HTTP/HTTPTests
[10/6052] LINK ./bin/yaml-bench
[11/6052] SOLINK obj/llvm/unittests/CAS/libCASPluginTest.so
[12/6052] LINK obj/llvm/unittests/LineEditor/LineEditorTests
[13/6052] LINK obj/llvm/unittests/Testing/ADT/TestingADTTests
[14/6052] LINK ./bin/FileCheck
[15/6052] LINK ./bin/llvm-undname
[16/6052] LINK obj/llvm/unittests/Testing/Support/TestingSupportTests
[17/6052] LINK obj/llvm/unittests/Bitstream/BitstreamTests
[18/6052] LINK obj/llvm/unittests/FileCheck/FileCheckTests
[19/6052] LINK obj/llvm/unittests/Support/DynamicLibrary/DynamicLibraryTests
[20/6052] LINK obj/llvm/unittests/Support/LSP/LSPTests
[21/6052] LINK ./bin/lldb-tblgen
[22/6052] LINK obj/llvm/unittests/DebugInfo/MSF/DebugInfoMSFTests
[23/6052] LINK obj/llvm/unittests/Demangle/DemangleTests
[24/6052] LINK ./bin/not
[25/6052] LINK obj/llvm/unittests/DebugInfo/CodeView/DebugInfoCodeViewTests
[26/6052] LINK ./bin/llvm-min-tblgen
[27/6052] LINK ./bin/clang-tblgen
[28/6052] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.