INFO:2026-11-06T05:18:07Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   c836d17148b6..bd654a85865b  main       -> origin/main
Switched to branch 'main'
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HEAD is now at bd654a85865b [libc++][docs] Introduce `Experimental` Implementation Status (#235526)
INFO:2026-11-06T05:18:10Z:root:syncing...
Deleted branch merge (was c836d17148b6).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-11-06T05:18:11Z:root:building
ninja: Entering directory `out/gn'
[1/3333] ACTION //libcxx/include:write_config_site(//llvm/utils/gn/build/toolchain:unix)
FAILED: include/c++/v1/__config_site 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o include/c++/v1/__config_site ../../libcxx/include/__config_site.in _LIBCPP_ABI_FORCE_ITANIUM= _LIBCPP_ABI_FORCE_MICROSOFT= _LIBCPP_ABI_VERSION=1 _LIBCPP_ASSERTION_SEMANTIC_DEFAULT=_LIBCPP_ASSERTION_SEMANTIC_HARDENING_DEPENDENT _LIBCPP_EXTRA_SITE_DEFINES= _LIBCPP_HAS_FILESYSTEM=1 _LIBCPP_HAS_THREADS=1 _LIBCPP_HAS_MONOTONIC_CLOCK=1 _LIBCPP_HAS_MUSL_LIBC= _LIBCPP_HAS_THREAD_API_C11= _LIBCPP_HAS_THREAD_API_PTHREAD= _LIBCPP_HAS_THREAD_API_EXTERNAL= _LIBCPP_HAS_THREAD_API_WIN32= _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS= _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS= _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_RANDOM_DEVICE=1 _LIBCPP_HAS_LOCALIZATION=1 _LIBCPP_HAS_UNICODE=1 _LIBCPP_HAS_WIDE_CHARACTERS=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _LIBCPP_LIBC_LLVM_LIBC= _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STATPART= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_ABI_NAMESPACE_LEN=3 _LIBCPP_HAS_TIME_ZONE_DATABASE=1
unused values args:
    _LIBCPP_PSTL_BACKEND_LIBDISPATCH
    _LIBCPP_PSTL_BACKEND_STD_THREAD
    _LIBCPP_PSTL_BACKEND_SERIAL
    _LIBCPP_PSTL_BACKEND_STATPART
[2/3333] ACTION //llvm/tools/dsymutil:Options(//llvm/utils/gn/build/toolchain:unix)
[3/3333] ACTION //llvm/lib/Transforms/Vectorize:VectorizeOptions(//llvm/utils/gn/build/toolchain:unix)
[4/3333] ACTION //llvm/tools/llvm-cgdata:Opts(//llvm/utils/gn/build/toolchain:unix)
[5/3333] ACTION //llvm/tools/llvm-cas:Options(//llvm/utils/gn/build/toolchain:unix)
[6/3333] ACTION //llvm/tools/llvm-cov:GcovOpts(//llvm/utils/gn/build/toolchain:unix)
[7/3332] ACTION //llvm/tools/llvm-debuginfod:Opts(//llvm/utils/gn/build/toolchain:unix)
[8/3331] ACTION //llvm/tools/llvm-cvtres:Opts(//llvm/utils/gn/build/toolchain:unix)
[9/3331] LINK ./bin/llvm-bcanalyzer
[10/3331] LINK ./bin/llvm-debuginfod-find
[11/3331] LINK ./bin/llvm-ctxprof-util
[12/3331] LINK ./bin/sanstats
[13/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SizeOpts.o
[14/3331] CXX obj/llvm/tools/llvm-diff/lib/lib.DiffConsumer.o
[15/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LowerInvoke.o
[16/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LowerVectorIntrinsics.o
[17/3331] CXX obj/llvm/tools/llubi/lib/lib.ExecutorBase.o
[18/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.StripNonLineTableDebugInfo.o
[19/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.Mem2Reg.o
[20/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LowerAtomic.o
[21/3331] CXX obj/llvm/tools/llubi/lib/lib.Value.o
[22/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SanitizerStats.o
[23/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.StripConvergenceIntrinsics.o
[24/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LowerGlobalDtors.o
[25/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.MetaRenamer.o
[26/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.MisExpect.o
[27/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.MatrixUtils.o
[28/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.VNCoercion.o
[29/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.StripGCRelocates.o
[30/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.UnifyLoopExits.o
[31/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SplitModule.o
[32/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.ProfileVerify.o
[33/3331] CXX obj/llvm/tools/llubi/lib/lib.Library.o
[34/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LowerSwitch.o
[35/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SampleProfileLoaderBaseUtil.o
[36/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.RelLookupTableConverter.o
[37/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SplitModuleByCategory.o
[38/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SSAUpdater.o
[39/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.MoveAutoInit.o
[40/3331] CXX obj/llvm/tools/llubi/llubi.llubi.o
[41/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.MemoryOpRemark.o
[42/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SSAUpdaterBulk.o
[43/3331] CXX obj/llvm/tools/llvm-diff/lib/lib.DifferenceEngine.o
[44/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.ModuleUtils.o
[45/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LowerMemIntrinsics.o
[46/3331] CXX obj/llvm/unittests/Passes/Plugins/DoublerPlugin/DoublerPlugin.DoublerPlugin.o
[47/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.ValueMapper.o
[48/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.PredicateInfo.o
[49/3331] CXX obj/llvm/tools/llubi/lib/lib.Context.o
[50/3331] CXX obj/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.llvm-dwarfdump.o
[51/3331] CXX obj/llvm/tools/llvm-dis/llvm-dis.llvm-dis.o
[52/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.MemoryTaggingSupport.o
[53/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LoopUnrollRuntime.o
[54/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LoopUnrollAndJam.o
[55/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SimplifyLibCalls.o
[56/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SimplifyIndVar.o
[57/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LoopVersioning.o
[58/3331] CXX obj/llvm/tools/llc/lib/lib.llcdriver.o
[59/3331] CXX obj/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.Coverage.o
[60/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SCCPSolver.o
[61/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.PromoteMemoryToRegister.o
[62/3331] CXX obj/llvm/tools/llubi/lib/lib.Interpreter.o
[63/3331] CXX obj/llvm/tools/llc/lib/lib.NewPMDriver.o
[64/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.ScalarEvolutionExpander.o
[65/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.LoopUtils.o
[66/3331] CXX obj/llvm/lib/Transforms/Utils/Utils.SimplifyCFG.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.