INFO:2026-01-26T21:25:08Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   cd79290926c9..16c8a02f2d2e  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 16c8a02f2d2e [InstCombine] Propagate profile metadata when combining selects (#177883)
INFO:2026-01-26T21:25:11Z:root:syncing...
Deleted branch merge (was a5800b1cc85a).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 1c1cd5410b54] [gn build] Port b285745dc1a4
 1 file changed, 1 insertion(+)
[gn build] Port b285745dc1a4 -- https://github.com/llvm/llvm-project/commit/b285745dc1a4
INFO:2026-01-26T21:25:12Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/541] 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)
[2/541] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineSelect.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.