ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/737] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/737] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/737] LINK obj/clang/unittests/libclang/CrashTests/libclangCrashTests
[4/737] LINK obj/clang/unittests/libclang/libclangTests
[5/737] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[6/737] LINK obj/clang-tools-extra/unittests/clang-doc/ClangDocTests
FAILED: obj/clang-tools-extra/unittests/clang-doc/ClangDocTests 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -Wl,--color-diagnostics -fuse-ld=lld -o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests -Wl,--start-group obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.BitcodeTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.ClangDocTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.GeneratorTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.HTMLGeneratorTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.JSONGeneratorTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MDGeneratorTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MergeTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.SerializeTest.o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.YAMLGeneratorTest.o obj/third-party/unittest/UnitTestMain/UnitTestMain.TestMain.o lib/libclangDoc.a lib/libclangAST.a lib/libclangASTMatchers.a lib/libclangBasic.a lib/libclangFormat.a lib/libclangFrontend.a lib/libclangRewrite.a lib/libclangSerialization.a lib/libclangTooling.a lib/libclangToolingCore.a lib/libLLVMBitReader.a lib/libLLVMBitWriter.a lib/libLLVMSupport.a lib/libLLVMTestingSupport.a lib/libclangDocSupport.a lib/libLLVMSupportBlake3.a lib/libLLVMDemangle.a lib/libLLVMOption.a lib/libLLVMTargetParser.a lib/libclangLex.a lib/libLLVMBinaryFormat.a lib/libLLVMFrontendHLSL.a lib/libLLVMCore.a lib/libLLVMRemarks.a lib/libLLVMBitstreamReader.a lib/libLLVMFrontendOpenMP.a lib/libLLVMAnalysis.a lib/libLLVMProfileData.a lib/libLLVMDebugInfoDWARF.a lib/libLLVMDebugInfoDWARFLowLevel.a lib/libLLVMMC.a lib/libLLVMDebugInfoCodeView.a lib/libLLVMDebugInfoMSF.a lib/libLLVMObject.a lib/libLLVMIRReader.a lib/libLLVMAsmParser.a lib/libLLVMMCParser.a lib/libLLVMTextAPI.a lib/libLLVMSymbolize.a lib/libLLVMDebugInfoBTF.a lib/libLLVMDebugInfoGSYM.a lib/libLLVMDebugInfoPDB.a lib/libLLVMFrontendAtomic.a lib/libLLVMFrontendDirective.a lib/libLLVMFrontendOffloading.a lib/libLLVMObjectYAML.a lib/libLLVMTransformUtils.a lib/libLLVMScalarOpts.a lib/libLLVMAggressiveInstCombine.a lib/libLLVMInstCombine.a lib/libclangAnalysis.a lib/libclangAnalysisLifetimeSafety.a lib/libclangAPINotes.a lib/libclangEdit.a lib/libclangOptions.a lib/libclangParse.a lib/libclangSema.a lib/libclangSupport.a lib/libLLVMFrontendOpenACC.a lib/libLLVMPlugins.a lib/libclangToolingDependencyScanning.a lib/libclangDriver.a lib/libclangScalableStaticAnalysisAnalyses.a lib/libclangScalableStaticAnalysisCore.a lib/libclangUnifiedSymbolResolution.a lib/libclangScalableStaticAnalysisFrontend.a lib/libclangScalableStaticAnalysisSourceTransformation.a lib/libLLVMWindowsDriver.a lib/libclangToolingInclusions.a lib/libgtest.a -Wl,--end-group -ldl -lpthread -lz
ld.lld: error: undefined symbol: vtable for clang::doc::markdown::HeadingNode
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_HeadingNode_Test::TestBody())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

ld.lld: error: undefined symbol: vtable for clang::doc::markdown::EmphasisNode
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_EmphasisNode_Test::TestBody())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

ld.lld: error: undefined symbol: vtable for clang::doc::markdown::TextNode
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_EmphasisNode_Test::TestBody())
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_ParagraphWithChildren_Test::TestBody())
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_UnorderedListWithItems_Test::TestBody())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

ld.lld: error: undefined symbol: vtable for clang::doc::markdown::UnorderedListNode
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_UnorderedListNode_Test::TestBody())
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_UnorderedListWithItems_Test::TestBody())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

ld.lld: error: undefined symbol: vtable for clang::doc::markdown::ParagraphNode
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_ParagraphNode_Test::TestBody())
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_ParagraphWithChildren_Test::TestBody())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

ld.lld: error: undefined symbol: vtable for clang::doc::markdown::DocumentNode
>>> referenced by MarkdownParserTest.cpp
>>>               obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.MarkdownParserTest.o:((anonymous namespace)::MarkdownNodeTest_DocumentNode_Test::TestBody())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[7/737] LINK ./bin/c-index-test
[8/737] LINK ./bin/clang
[9/737] CXX obj/lldb/source/Breakpoint/Breakpoint.WatchpointOptions.o
[10/737] CXX obj/lldb/source/DataFormatters/DataFormatters.CXXFunctionPointer.o
[11/737] CXX obj/lldb/source/Plugins/UnwindAssembly/x86/x86.UnwindAssembly-x86.o
[12/737] CXX obj/lldb/source/Commands/Commands.CommandObjectLanguage.o
[13/737] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.CFBasicHash.o
[14/737] CXX obj/lldb/source/Breakpoint/Breakpoint.WatchpointAlgorithms.o
[15/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverAddress.o
[16/737] CXX obj/lldb/source/Commands/Commands.CommandObjectHelp.o
[17/737] CXX obj/lldb/source/Commands/Commands.CommandObjectMemoryTag.o
[18/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointIDList.o
[19/737] CXX obj/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPlusPlus.VerboseTrapFrameRecognizer.o
[20/737] CXX obj/lldb/source/Commands/Commands.CommandObjectQuit.o
[21/737] CXX obj/lldb/source/Commands/Commands.CommandObjectStats.o
[22/737] CXX obj/lldb/source/Commands/Commands.CommandObjectRegexCommand.o
[23/737] CXX obj/lldb/source/Breakpoint/Breakpoint.Watchpoint.o
[24/737] CXX obj/lldb/source/Plugins/Language/ObjCPlusPlus/ObjCPlusPlus.ObjCPlusPlusLanguage.o
[25/737] CXX obj/lldb/source/Commands/Commands.CommandObjectThreadUtil.o
[26/737] CXX obj/lldb/source/Commands/Commands.CommandObjectBreakpointCommand.o
[27/737] CXX obj/lldb/source/Commands/Commands.CommandObjectSession.o
[28/737] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.CF.o
[29/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverScripted.o
[30/737] CXX obj/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/POSIX-DYLD.DYLDRendezvous.o
[31/737] CXX obj/lldb/source/Commands/Commands.CommandObjectApropos.o
[32/737] CXX obj/lldb/source/Commands/Commands.CommandObjectGUI.o
[33/737] CXX obj/lldb/source/Commands/Commands.CommandObjectMultiword.o
[34/737] CXX obj/lldb/source/Commands/Commands.CommandObjectVersion.o
[35/737] CXX obj/lldb/source/Commands/Commands.CommandObjectTrace.o
[36/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointOptions.o
[37/737] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.Cocoa.o
[38/737] CXX obj/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPlusPlus.CPPLanguageRuntime.o
[39/737] CXX obj/lldb/source/Commands/Commands.CommandObjectSettings.o
[40/737] CXX obj/lldb/source/Core/Core.Address.o
[41/737] CXX obj/lldb/source/Commands/Commands.CommandObjectPlugin.o
[42/737] CXX obj/lldb/source/Commands/Commands.CommandObjectSource.o
[43/737] CXX obj/lldb/source/Commands/Commands.CommandObjectProtocolServer.o
[44/737] CXX obj/lldb/source/Commands/Commands.CommandObjectExpression.o
[45/737] CXX obj/lldb/source/Plugins/DynamicLoader/Windows-DYLD/Windows-DYLD.DynamicLoaderWindowsDYLD.o
[46/737] CXX obj/lldb/source/Commands/Commands.CommandObjectDisassemble.o
[47/737] CXX obj/lldb/source/Commands/Commands.CommandObjectLog.o
[48/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverName.o
[49/737] CXX obj/lldb/source/Commands/Commands.CommandObjectRegister.o
[50/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocation.o
[51/737] CXX obj/lldb/source/Commands/Commands.CommandObjectScripting.o
[52/737] CXX obj/lldb/source/Commands/Commands.CommandObjectFrame.o
[53/737] CXX obj/lldb/source/Commands/Commands.CommandObjectPlatform.o
[54/737] CXX obj/lldb/source/Commands/Commands.CommandCompletions.o
[55/737] CXX obj/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/POSIX-DYLD.DynamicLoaderPOSIXDYLD.o
[56/737] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolver.o
[57/737] CXX obj/lldb/source/Breakpoint/Breakpoint.Breakpoint.o
[58/737] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCClassDescriptorV2.o
[59/737] CXX obj/lldb/source/Commands/Commands.CommandObjectThread.o
[60/737] CXX obj/lldb/source/Commands/Commands.CommandObjectProcess.o
[61/737] CXX obj/lldb/source/Commands/Commands.CommandObjectMemory.o
[62/737] CXX obj/lldb/source/Commands/Commands.CommandObjectCommands.o
[63/737] CXX obj/lldb/source/Commands/Commands.CommandObjectBreakpoint.o
[64/737] CXX obj/lldb/source/Commands/Commands.CommandObjectDWIMPrint.o
[65/737] CXX obj/lldb/source/Commands/Commands.CommandObjectType.o
[66/737] CXX obj/lldb/source/Plugins/Platform/MacOSX/MacOSX.PlatformDarwin.o
[67/737] CXX obj/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPlusPlus.ItaniumABIRuntime.o
[68/737] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/ObjC.ObjCLanguageRuntime.o
[69/737] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.BlockPointer.o
[70/737] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ASTResultSynthesizer.o
[71/737] CXX obj/lldb/source/Commands/Commands.CommandObjectTarget.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.