INFO:2026-09-21T12:03:46Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   466df937833e..8472e4556c06  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 8472e4556c06 [flang][OpenMP] Reword some diagnostic messages, NFC (#224945)
INFO:2026-09-21T12:03:50Z:root:syncing...
Deleted branch merge (was 2785947828d5).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 2db5fe908a4c] [gn build] Port 3eaddb5735f6
 1 file changed, 1 insertion(+)
[merge 4d9051cf3168] [gn build] Port d0dc3b038f52
 1 file changed, 1 insertion(+)
[gn build] Port 3eaddb5735f6 -- https://github.com/llvm/llvm-project/commit/3eaddb5735f6
[gn build] Port d0dc3b038f52 -- https://github.com/llvm/llvm-project/commit/d0dc3b038f52
INFO:2026-09-21T12:03:52Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/742] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/742] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/742] LINK ./bin/llvm-opt-report
[4/742] AR lib/libLLVMAnalysis.a
[5/742] LINK ./bin/llvm-size
[6/742] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[7/742] CXX obj/llvm/lib/Target/Mips/MCTargetDesc/MCTargetDesc.MipsMCTargetDesc.o
FAILED: obj/llvm/lib/Target/Mips/MCTargetDesc/MCTargetDesc.MipsMCTargetDesc.o 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/llvm/lib/Target/Mips/MCTargetDesc/MCTargetDesc.MipsMCTargetDesc.o.d -o obj/llvm/lib/Target/Mips/MCTargetDesc/MCTargetDesc.MipsMCTargetDesc.o -c ../../llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp  -I../../llvm/lib/Target/Mips -I../../llvm/include -Igen/llvm/include -Igen/llvm/lib/Target/Mips/MCTargetDesc -I. -O3 -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wdelete-non-virtual-dtor -Wstring-conversion -no-canonical-prefixes -Werror=date-time -fdebug-compilation-dir=. --sysroot=../../sysroot -Wpoison-system-directories -fPIC -Wcovered-switch-default -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
../../llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp:49:10: fatal error: 'MipsGenAsmMatcher.inc' file not found
   49 | #include "MipsGenAsmMatcher.inc"
      |          ^~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[8/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUAliasAnalysis.o
[9/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUPrintfRuntimeBinding.o
[10/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPULowerKernelAttributes.o
[11/742] CXX obj/llvm/lib/Target/SystemZ/LLVMSystemZCodeGen.SystemZHazardRecognizer.o
[12/742] CXX obj/llvm/lib/Target/SystemZ/LLVMSystemZCodeGen.SystemZMachineScheduler.o
[13/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVInsertReadWriteCSR.o
[14/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVVectorMaskDAGMutation.o
[15/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVMakeCompressible.o
[16/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVSelectionDAGInfo.o
[17/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVLateBranchOpt.o
[18/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVQCRelaxMarking.o
[19/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVMachineScheduler.o
[20/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVVectorPeephole.o
[21/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVVMV0Elimination.o
[22/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVFoldMemOffset.o
[23/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVVSETVLIInfoAnalysis.o
[24/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPULibCalls.o
[25/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVInsertWriteVXRM.o
[26/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPULowerKernelArguments.o
[27/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVLandingPadSetup.o
[28/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVExpandPseudoPreRA.o
[29/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVMoveMerger.o
[30/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVPushPopOptimizer.o
[31/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVMergeBaseOffset.o
[32/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVZilsdOptimizer.o
[33/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVLoadStoreOptimizer.o
[34/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUPreloadKernelArguments.o
[35/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVZacasABIFix.o
[36/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVOptWInstrs.o
[37/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVTargetObjectFile.o
[38/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVMachineFunctionInfo.o
[39/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVInsertVSETVLI.o
[40/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVCodeGenPrepare.o
[41/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVIndirectBranchTracking.o
[42/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUPerfHintAnalysis.o
[43/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVPromoteConstant.o
[44/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVVLOptimizer.o
[45/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVInterleavedAccess.o
[46/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVSubtarget.o
[47/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVRegisterInfo.o
[48/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPULateCodeGenPrepare.o
[49/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVGatherScatterLowering.o
[50/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVFrameLowering.o
[51/742] CXX obj/llvm/lib/Target/Sparc/LLVMSparcCodeGen.SparcTargetMachine.o
[52/742] CXX obj/llvm/lib/Target/Sparc/LLVMSparcCodeGen.SparcTargetTransformInfo.o
[53/742] CXX obj/llvm/lib/Target/SystemZ/LLVMSystemZCodeGen.SystemZTargetMachine.o
[54/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUInstCombineIntrinsic.o
[55/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUPromoteAlloca.o
[56/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUCodeGenPrepare.o
[57/742] CXX obj/llvm/lib/Target/PowerPC/LLVMPowerPCCodeGen.PPCTargetMachine.o
[58/742] CXX obj/llvm/lib/Target/SystemZ/LLVMSystemZCodeGen.SystemZTargetTransformInfo.o
[59/742] CXX obj/llvm/lib/Target/WebAssembly/LLVMWebAssemblyCodeGen.WebAssemblyAsmPrinter.o
[60/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600TargetMachine.o
[61/742] CXX obj/llvm/lib/Target/PowerPC/LLVMPowerPCCodeGen.PPCTargetTransformInfo.o
[62/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVTargetMachine.o
[63/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600TargetTransformInfo.o
[64/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600ISelDAGToDAG.o
[65/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVInstrInfo.o
[66/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUTargetTransformInfo.o
[67/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVTargetTransformInfo.o
[68/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIInstrInfo.o
[69/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVISelDAGToDAG.o
[70/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUISelDAGToDAG.o
[71/742] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVISelLowering.o
[72/742] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUTargetMachine.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.