INFO:2026-09-24T16:29:15Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   d7b16806c4f1..01df360d349b  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 01df360d349b [mlir-c] Add mlirOperationIsAncestor and mlirOperationIsProperAncestor (#206556)
INFO:2026-09-24T16:29:24Z:root:syncing...
Deleted branch merge (was b1cbe609bb0d).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 18d7350cff9c] [gn build] Port 6bef34a7ebbe
 2 files changed, 2 insertions(+)
[merge 76696462e7b3] [gn build] Port d0c787e447e1
 1 file changed, 1 insertion(+)
[merge b3fcd143aa02] [gn build] Port f6e450004591
 1 file changed, 1 insertion(+)
[gn build] Port 6bef34a7ebbe -- https://github.com/llvm/llvm-project/commit/6bef34a7ebbe
[gn build] Port d0c787e447e1 -- https://github.com/llvm/llvm-project/commit/d0c787e447e1
[gn build] Port f6e450004591 -- https://github.com/llvm/llvm-project/commit/f6e450004591
INFO:2026-09-24T16:29:28Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/4] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/4] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/4] LINK obj/clang/unittests/offload-arch/OffloadArchTests
FAILED: obj/clang/unittests/offload-arch/OffloadArchTests 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--color-diagnostics -fuse-ld=lld -o obj/clang/unittests/offload-arch/OffloadArchTests -Wl,--start-group obj/clang/tools/offload-arch/OffloadArchTests.AMDGPUArchByKFD.o obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o obj/third-party/unittest/UnitTestMain/UnitTestMain.TestMain.o lib/libclangBasic.a lib/libLLVMSupport.a lib/libLLVMTestingSupport.a lib/libLLVMOption.a lib/libLLVMSupportBlake3.a lib/libLLVMDemangle.a lib/libLLVMTargetParser.a lib/libgtest.a -Wl,--end-group -ldl -lpthread -lz
ld.lld: error: undefined symbol: getIntelGPUArchName[abi:cxx11](unsigned int)
>>> referenced by OffloadArchTest.cpp
>>>               obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o:(IntelGPUArchName_KnownArchitecturesGetAFriendlyName_Test::TestBody())
>>> referenced by OffloadArchTest.cpp
>>>               obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o:(IntelGPUArchName_KnownArchitecturesGetAFriendlyName_Test::TestBody())
>>> referenced by OffloadArchTest.cpp
>>>               obj/clang/unittests/offload-arch/OffloadArchTests.OffloadArchTest.o:(IntelGPUArchName_KnownArchitecturesGetAFriendlyName_Test::TestBody())
>>> referenced 8 more times
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[4/4] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.