INFO:2026-09-24T19:18:04Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   67005b724c91..01278da5ac26  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 01278da5ac26 [libc++] Bump Ubuntu version back to 26.04 and remove Install Dependencies step for Generated Files check (#226219)
INFO:2026-09-24T19:18:08Z:root:syncing...
Deleted branch merge (was 599d6833ea1d).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 6ea1b0aa1174] [gn build] Port 6bef34a7ebbe
 2 files changed, 2 insertions(+)
[merge 2c92314b3b25] [gn build] Port d0c787e447e1
 1 file changed, 1 insertion(+)
[merge 9a845088b18e] [gn build] Port f6e450004591
 1 file changed, 1 insertion(+)
[gn build] Port 6bef34a7ebbe -- https://github.com/llvm/llvm-project/commit/6bef34a7ebbe
[gn build] Port d0c787e447e1 -- https://github.com/llvm/llvm-project/commit/d0c787e447e1
[gn build] Port f6e450004591 -- https://github.com/llvm/llvm-project/commit/f6e450004591
INFO:2026-09-24T19:18:12Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/2948] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[2/2948] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[3/2948] AR lib/libLLVMBinaryFormat.a
[4/2948] LINK obj/clang/unittests/offload-arch/OffloadArchTests
FAILED: obj/clang/unittests/offload-arch/OffloadArchTests 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--color-diagnostics -fuse-ld=lld -o obj/clang/unittests/offload-arch/OffloadArchTests -Wl,--start-group obj/clang/tools/offload-arch/OffloadArchTests.AMDGPUArchByKFD.o obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o obj/third-party/unittest/UnitTestMain/UnitTestMain.TestMain.o lib/libclangBasic.a lib/libLLVMSupport.a lib/libLLVMTestingSupport.a lib/libLLVMOption.a lib/libLLVMSupportBlake3.a lib/libLLVMDemangle.a lib/libLLVMTargetParser.a lib/libgtest.a -Wl,--end-group -ldl -lpthread -lz
ld.lld: error: undefined symbol: getIntelGPUArchName[abi:cxx11](unsigned int)
>>> referenced by OffloadArchTest.cpp
>>>               obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o:(IntelGPUArchName_KnownArchitecturesGetAFriendlyName_Test::TestBody())
>>> referenced by OffloadArchTest.cpp
>>>               obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o:(IntelGPUArchName_KnownArchitecturesGetAFriendlyName_Test::TestBody())
>>> referenced by OffloadArchTest.cpp
>>>               obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o:(IntelGPUArchName_KnownArchitecturesGetAFriendlyName_Test::TestBody())
>>> referenced 8 more times
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[5/2948] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[6/2948] CXX obj/llvm/lib/Analysis/Analysis.DomConditionCache.o
[7/2948] CXX obj/llvm/lib/Analysis/Analysis.HeatUtils.o
[8/2948] CXX obj/llvm/lib/Analysis/Analysis.MemDerefPrinter.o
[9/2948] CXX obj/llvm/lib/Analysis/Analysis.Local.o
[10/2948] CXX obj/llvm/lib/Analysis/Analysis.PostDominators.o
[11/2948] CXX obj/llvm/lib/Analysis/Analysis.ObjCARCInstKind.o
[12/2948] CXX obj/llvm/lib/Analysis/Analysis.LazyBranchProbabilityInfo.o
[13/2948] CXX obj/llvm/lib/Analysis/Analysis.ObjCARCAliasAnalysis.o
[14/2948] CXX obj/llvm/lib/Analysis/Analysis.OptimizationRemarkEmitter.o
[15/2948] CXX obj/llvm/lib/Analysis/Analysis.ObjCARCAnalysisUtils.o
[16/2948] CXX obj/llvm/lib/Analysis/Analysis.PHITransAddr.o
[17/2948] CXX obj/llvm/lib/Analysis/Analysis.OverflowInstAnalysis.o
[18/2948] CXX obj/llvm/lib/Analysis/Analysis.FloatingPointPredicateUtils.o
[19/2948] CXX obj/llvm/lib/Analysis/Analysis.PtrUseVisitor.o
[20/2948] CXX obj/llvm/lib/Analysis/Analysis.ReplayInlineAdvisor.o
[21/2948] CXX obj/llvm/lib/Analysis/Analysis.GuardUtils.o
[22/2948] CXX obj/llvm/tools/llvm-reduce/deltas/llvm-reduce.ReduceDIMetadata.o
[23/2948] CXX obj/llvm/lib/Analysis/Analysis.InstructionPrecedenceTracking.o
[24/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopPass.o
[25/2948] CXX obj/llvm/lib/Analysis/Analysis.DomTreeUpdater.o
[26/2948] CXX obj/llvm/lib/Analysis/Analysis.RegionPrinter.o
[27/2948] CXX obj/llvm/lib/Analysis/Analysis.PhiValues.o
[28/2948] CXX obj/llvm/lib/Analysis/Analysis.ModuleDebugInfoPrinter.o
[29/2948] CXX obj/llvm/lib/Analysis/Analysis.DomPrinter.o
[30/2948] CXX obj/llvm/lib/Analysis/Analysis.InstCount.o
[31/2948] CXX obj/llvm/lib/Analysis/Analysis.MemoryLocation.o
[32/2948] CXX obj/llvm/lib/Analysis/Analysis.Delinearization.o
[33/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopNestAnalysis.o
[34/2948] CXX obj/llvm/lib/Analysis/Analysis.IVUsers.o
[35/2948] CXX obj/llvm/lib/Analysis/Analysis.ProfileSummaryInfo.o
[36/2948] CXX obj/llvm/lib/Analysis/Analysis.MemoryProfileInfo.o
[37/2948] CXX obj/llvm/lib/Analysis/Analysis.KernelInfo.o
[38/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopAnalysisManager.o
[39/2948] CXX obj/llvm/lib/Analysis/Analysis.DemandedBits.o
[40/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopUnrollAnalyzer.o
[41/2948] CXX obj/llvm/lib/Analysis/Analysis.MustExecute.o
[42/2948] CXX obj/llvm/lib/Analysis/Analysis.DependenceGraphBuilder.o
[43/2948] CXX obj/llvm/lib/Analysis/Analysis.RegionInfo.o
[44/2948] CXX obj/llvm/lib/Analysis/Analysis.HashRecognize.o
[45/2948] CXX obj/llvm/lib/Analysis/Analysis.FunctionPropertiesAnalysis.o
[46/2948] CXX obj/llvm/lib/Analysis/Analysis.IR2Vec.o
[47/2948] CXX obj/llvm/lib/Analysis/Analysis.IVDescriptors.o
[48/2948] CXX obj/llvm/lib/Analysis/Analysis.InlineAdvisor.o
[49/2948] CXX obj/llvm/lib/Analysis/Analysis.Lint.o
[50/2948] CXX obj/llvm/lib/Analysis/Analysis.DXILResource.o
[51/2948] CXX obj/llvm/lib/Analysis/Analysis.InlineOrder.o
[52/2948] CXX obj/llvm/lib/Analysis/Analysis.MemoryBuiltins.o
[53/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopCacheAnalysis.o
[54/2948] CXX obj/llvm/lib/Analysis/Analysis.GlobalsModRef.o
[55/2948] CXX obj/llvm/lib/Analysis/Analysis.Loads.o
[56/2948] CXX obj/llvm/lib/Analysis/Analysis.DependenceAnalysis.o
[57/2948] CXX obj/llvm/lib/Analysis/Analysis.MLInlineAdvisor.o
[58/2948] CXX obj/llvm/lib/Analysis/Analysis.MemorySSAUpdater.o
[59/2948] CXX obj/llvm/lib/Analysis/Analysis.MemoryDependenceAnalysis.o
[60/2948] CXX obj/llvm/lib/Analysis/Analysis.LazyCallGraph.o
[61/2948] CXX obj/llvm/lib/Analysis/Analysis.LazyValueInfo.o
[62/2948] CXX obj/llvm/lib/Analysis/Analysis.InlineCost.o
[63/2948] CXX obj/llvm/lib/Analysis/Analysis.MemorySSA.o
[64/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopInfo.o
[65/2948] CXX obj/llvm/unittests/CodeGen/CodeGenTests.DIETest.o
[66/2948] CXX obj/llvm/unittests/CodeGen/CodeGenTests.AsmPrinterDwarfTest.o
[67/2948] CXX obj/llvm/lib/Analysis/Analysis.ModuleSummaryAnalysis.o
[68/2948] CXX obj/llvm/lib/Analysis/Analysis.InstructionSimplify.o
[69/2948] CXX obj/llvm/lib/Analysis/Analysis.LoopAccessAnalysis.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.