INFO:2026-01-26T19:21:29Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   4d460d6578c5..89e38d65d83d  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 89e38d65d83d [AMDGPU][SIInsertWaitcnts][NFC] Move static array definition (#178014)
INFO:2026-01-26T19:21:32Z:root:syncing...
Deleted branch merge (was 4d460d6578c5).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-26T19:21:32Z:root:building
ninja: Entering directory `out/gn'
[1/479] AR lib/liblldbPluginTypeSystemClang.a
[2/479] AR lib/liblldbPluginCXXItaniumABI.a
[3/479] AR lib/liblldbPluginClangREPL.a
[4/479] AR lib/liblldbPluginPlatformPOSIX.a
[5/479] AR lib/liblldbPluginDynamicLoaderMacOSXDYLD.a
[6/479] AR lib/liblldbPluginCPlusPlusLanguage.a
[7/479] AR lib/liblldbPluginPlatformLinux.a
[8/479] AR lib/liblldbPluginProcessMachCore.a
[9/479] AR lib/liblldbPluginPlatformMacOSX.a
[10/479] AR lib/liblldbPluginProcessGDBRemote.a
[11/479] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[12/479] LINK obj/llvm/unittests/CAS/CASTests
FAILED: obj/llvm/unittests/CAS/CASTests 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--color-diagnostics -fuse-ld=lld -o obj/llvm/unittests/CAS/CASTests -Wl,--start-group obj/llvm/unittests/CAS/CASTests.ActionCacheTest.o obj/llvm/unittests/CAS/CASTests.BuiltinUnifiedCASDatabasesTest.o obj/llvm/unittests/CAS/CASTests.CASTestConfig.o obj/llvm/unittests/CAS/CASTests.NamedValuesSchemaTest.o obj/llvm/unittests/CAS/CASTests.ObjectStoreTest.o obj/llvm/unittests/CAS/CASTests.OnDiskCASLoggerTest.o obj/llvm/unittests/CAS/CASTests.UnifiedOnDiskCacheTest.o obj/third-party/unittest/UnitTestMain/UnitTestMain.TestMain.o lib/libLLVMCAS.a lib/libLLVMSupport.a lib/libLLVMTestingSupport.a lib/libLLVMSupportBlake3.a lib/libLLVMDemangle.a lib/libgtest.a -Wl,--end-group -ldl -lpthread -lz
ld.lld: error: undefined symbol: llvm::unittest::cas::setMaxOnDiskCASMappingSize()
>>> referenced by ActionCacheTest.cpp
>>>               obj/llvm/unittests/CAS/CASTests.ActionCacheTest.o:(llvm::unittest::cas::CASTest::SetUp())
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[13/479] LINK obj/llvm/unittests/MC/X86/X86MCTests
[14/479] LINK obj/llvm/unittests/tools/llvm-mca/LLVMMCATests
[15/479] LINK ./bin/lli
[16/479] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[17/479] LINK obj/llvm/unittests/Target/X86/X86Tests
[18/479] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[19/479] LINK obj/llvm/unittests/ExecutionEngine/MCJIT/MCJITTests
[20/479] LINK ./bin/lldb-server
[21/479] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIInsertWaitcnts.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.