INFO:2026-01-26T19:42:25Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   f9069a5f305d..c999e9a4fe88  main       -> origin/main
Switched to branch 'main'
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HEAD is now at c999e9a4fe88 [SystemZ] Support fp16 vector ABI and basic codegen. (#171066)
INFO:2026-01-26T19:42:28Z:root:syncing...
Deleted branch merge (was f9069a5f305d).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-26T19:42:28Z:root:building
ninja: Entering directory `out/gn'
[1/528] 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)
[2/528] LINK obj/llvm/unittests/tools/llvm-mca/LLVMMCATests
[3/528] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[4/528] ACTION //llvm/lib/Target/SystemZ:SystemZGenSDNodeInfo(//llvm/utils/gn/build/toolchain:unix)
[5/528] ACTION //llvm/lib/Target/SystemZ:SystemZGenCallingConv(//llvm/utils/gn/build/toolchain:unix)
[6/528] ACTION //llvm/lib/Target/SystemZ/MCTargetDesc:SystemZGenMCCodeEmitter(//llvm/utils/gn/build/toolchain:unix)
[7/528] ACTION //llvm/lib/Target/SystemZ/MCTargetDesc:SystemZGenRegisterInfo(//llvm/utils/gn/build/toolchain:unix)
[8/528] ACTION //llvm/lib/Target/SystemZ/Disassembler:SystemZGenDisassemblerTables(//llvm/utils/gn/build/toolchain:unix)
[9/528] ACTION //llvm/lib/Target/SystemZ/MCTargetDesc:SystemZGenHLASMAsmWriter(//llvm/utils/gn/build/toolchain:unix)
[10/527] ACTION //llvm/lib/Target/SystemZ/MCTargetDesc:SystemZGenGNUAsmWriter(//llvm/utils/gn/build/toolchain:unix)
[11/526] ACTION //llvm/lib/Target/SystemZ/AsmParser:SystemZGenAsmMatcher(//llvm/utils/gn/build/toolchain:unix)
[12/526] ACTION //llvm/lib/Target/SystemZ:SystemZGenDAGISel(//llvm/utils/gn/build/toolchain:unix)
[13/526] ACTION //llvm/lib/Target/SystemZ/MCTargetDesc:SystemZGenSubtargetInfo(//llvm/utils/gn/build/toolchain:unix)
[14/526] ACTION //llvm/lib/Target/SystemZ/MCTargetDesc:SystemZGenInstrInfo(//llvm/utils/gn/build/toolchain:unix)
[15/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.Generic.o
[16/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlUnordered.o
[17/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlAtomic.o
[18/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStl.o
[19/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlDeque.o
[20/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlTuple.o
[21/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlSmartPointer.o
[22/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlVariant.o
[23/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlSpan.o
[24/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlTree.o
[25/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlVector.o
[26/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.GenericList.o
[27/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.GenericOptional.o
[28/526] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.CPlusPlusLanguage.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.