ninja: Entering directory `out/gn'
[1/408] CXX obj/llvm/lib/CAS/CAS.BuiltinUnifiedCASDatabases.o
[2/408] CXX obj/llvm/lib/CAS/CAS.OnDiskCAS.o
[3/408] CXX obj/llvm/lib/CAS/CAS.BuiltinCAS.o
[4/408] CXX obj/llvm/lib/CAS/CAS.ActionCaches.o
[5/408] CXX obj/llvm/lib/CAS/CAS.OnDiskKeyValueDB.o
[6/408] CXX obj/llvm/lib/CAS/CAS.InMemoryCAS.o
[7/408] CXX obj/llvm/tools/llvm-cas/llvm-cas.llvm-cas.o
[8/408] CXX obj/llvm/unittests/CAS/CASTests.BuiltinUnifiedCASDatabasesTest.o
[9/408] CXX obj/llvm/lib/CAS/CAS.UnifiedOnDiskCache.o
[10/408] CXX obj/llvm/unittests/CAS/CASTests.ActionCacheTest.o
[11/408] CXX obj/llvm/unittests/CAS/CASTests.CASTestConfig.o
[12/408] CXX obj/llvm/lib/CAS/CAS.OnDiskGraphDB.o
[13/408] AR lib/libLLVMCAS.a
[14/408] LINK ./bin/llvm-cas
[15/408] CXX obj/llvm/unittests/CAS/CASTests.UnifiedOnDiskCacheTest.o
[16/408] CXX obj/llvm/unittests/CAS/CASTests.ObjectStoreTest.o
[17/408] 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)
[18/408] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VectorCombine.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.