INFO:2026-01-26T19:11:39Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   7fd2056efaf4..51f4c5e7bc5f  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
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HEAD is now at 51f4c5e7bc5f [clang-tidy] Speed up `readability-container-contains` (#175121)
INFO:2026-01-26T19:11:42Z:root:syncing...
Deleted branch merge (was 7fd2056efaf4).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-26T19:11:42Z:root:building
ninja: Entering directory `out/gn'
[1/655] AR lib/libLLVMAnalysis.a
[2/655] AR lib/libLLVMObjCARCOpts.a
[3/655] AR lib/liblldbExpression.a
[4/655] AR lib/libLLVMInstCombine.a
[5/655] AR lib/libLLVMInstrumentation.a
[6/655] AR lib/libLLVMVectorize.a
[7/655] AR lib/liblldbSymbol.a
[8/655] AR lib/liblldbPluginObjectFileWasm.a
[9/655] AR lib/liblldbPluginSymbolLocatorDefault.a
[10/655] AR lib/libLLVMScalarOpts.a
[11/655] AR lib/liblldbPluginProcessUtility.a
[12/655] AR lib/liblldbPluginSymbolVendorWasm.a
[13/655] 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)
[14/655] AR lib/liblldbPluginSymbolFileNativePDB.a
[15/655] AR lib/libLLVMipo.a
[16/655] AR lib/liblldbTarget.a
[17/655] AR lib/libLLVMCodeGen.a
[18/655] ACTION //lldb/source/Plugins:Plugins.def(//llvm/utils/gn/build/toolchain:unix)
[19/655] LINK ./bin/llvm-sim
[20/655] LINK ./bin/llvm-stress
[21/655] LINK ./bin/llvm-tli-checker
[22/655] LINK ./bin/llvm-cat
[23/655] LINK ./bin/verify-uselistorder
[24/655] LINK obj/llvm/unittests/Linker/LinkerTests
[25/655] LINK ./bin/clang-offload-bundler
[26/655] LINK obj/llvm/unittests/Bitcode/BitcodeTests
[27/655] LINK ./bin/llvm-modextract
[28/655] LINK obj/llvm/unittests/SandboxIR/SandboxIRTests
[29/655] LINK ./bin/llvm-as
[30/655] LINK ./bin/llvm-offload-wrapper
[31/655] LINK obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[32/655] LINK obj/clang/unittests/InstallAPI/InstallAPITests
[33/655] LINK obj/llvm/unittests/Transforms/Vectorize/VectorizeTests
[34/655] LINK obj/llvm/unittests/FuzzMutate/FuzzMutateTests
[35/655] LINK obj/clang-tools-extra/unittests/clang-apply-replacements/ClangApplyReplacementsTests
[36/655] LINK ./bin/clang-apply-replacements
[37/655] LINK obj/clang/unittests/Format/FormatTests
[38/655] LINK obj/clang/unittests/Parse/ParseTests
[39/655] LINK obj/clang/unittests/Support/ClangSupportTests
[40/655] LINK obj/clang/unittests/Lex/LexTests
[41/655] LINK ./bin/diagtool
[42/655] CXX obj/clang-tools-extra/clang-tidy/readability/readability.ContainerContainsCheck.o
[43/655] CXX obj/clang-tools-extra/clang-tidy/readability/readability.ReadabilityTidyModule.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.