ninja: Entering directory `out/gn'
[1/475] AR lib/libLLVMX86Disassembler.a
[2/475] AR lib/liblldb.a
[3/475] LINK obj/llvm/unittests/MC/X86/X86MCTests
[4/475] AR lib/liblldbDAP.a
[5/475] LINK ./bin/llvm-cxxmap
[6/475] LINK ./bin/sancov
[7/475] LINK ./bin/llvm-dwp
[8/475] LINK ./bin/llvm-cxxdump
[9/475] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[10/475] LINK ./bin/llvm-xray
[11/475] LINK ./bin/llvm-objdump
[12/475] LINK ./bin/llvm-profgen
[13/475] LINK ./bin/llvm-libtool-darwin
[14/475] LINK ./bin/llvm-cfi-verify
[15/475] LINK ./bin/lli
[16/475] LINK ./bin/llvm-ar
[17/475] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[18/475] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[19/475] 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)
[20/475] LINK ./bin/llvm-mca
[21/475] ACTION //llvm/tools/llvm-ar:llvm-lib(//llvm/utils/gn/build/toolchain:unix)
[22/475] LINK obj/llvm/unittests/MC/MCTests
[23/475] ACTION //llvm/tools/llvm-ar:llvm-dlltool(//llvm/utils/gn/build/toolchain:unix)
[24/475] ACTION //llvm/tools/llvm-ar:llvm-ranlib(//llvm/utils/gn/build/toolchain:unix)
[25/475] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[26/475] LINK ./bin/llvm-mc
[27/475] LINK ./bin/llvm-bolt-heatmap
[28/475] LINK ./bin/llvm-rtdyld
[29/475] LINK ./bin/llvm-ml
[30/475] LINK ./bin/llvm-jitlink
[31/475] LINK ./bin/llvm-exegesis
[32/475] LINK ./bin/llvm-lipo
[33/475] LINK obj/llvm/unittests/tools/llvm-cfi-verify/CFIVerifyTests
[34/475] LINK obj/bolt/unittests/Profile/ProfileTests
[35/475] LINK ./bin/llvm-debuginfo-analyzer
[36/475] LINK obj/clang/unittests/Tooling/Syntax/SyntaxTests
[37/475] LINK ./bin/dsymutil
[38/475] LINK obj/bolt/unittests/Passes/PassTests
[39/475] LINK obj/llvm/unittests/tools/llvm-mca/LLVMMCATests
[40/475] LINK ./bin/llvm-c-test
[41/475] LINK obj/llvm/unittests/ExecutionEngine/MCJIT/MCJITTests
[42/475] LINK obj/bolt/unittests/Core/CoreTests
[43/475] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[44/475] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[45/475] LINK ./bin/llvm-isel-fuzzer
[46/475] LINK ./bin/llvm-bolt
[47/475] LINK ./bin/clang-nvlink-wrapper
[48/475] LINK ./bin/clang-sycl-linker
[49/475] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[50/475] LINK ./bin/clang-scan-deps
[51/475] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[52/475] LINK obj/clang/unittests/CrossTU/CrossTUTests
[53/475] LINK ./bin/opt
[54/475] LINK ./bin/llvm-reduce
[55/475] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[56/475] LINK ./bin/llvm-lto2
[57/475] LINK obj/llvm/unittests/MI/MITests
[58/475] LINK ./bin/llvm-lto
[59/475] LINK ./bin/llvm-opt-fuzzer
[60/475] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[61/475] LINK obj/llvm/unittests/MIR/MIRTests
[62/475] LINK ./bin/clang-linker-wrapper
[63/475] LINK ./bin/llvm-gsymutil
[64/475] LINK ./bin/llc
[65/475] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[66/475] LINK ./bin/lld
[67/475] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[68/475] LINK ./bin/lldb
[69/475] LINK obj/clang/unittests/Interpreter/ExceptionTests/ClangReplInterpreterExceptionTests
[70/475] SOLINK ./lib/libLTO.so
[71/475] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[72/475] LINK ./bin/clang-check
[73/475] LINK ./bin/clang-repl
[74/475] LINK obj/clang/unittests/Driver/ClangDriverTests
[75/475] SOLINK ./lib/libclang.so
[76/475] LINK obj/clang/unittests/Tooling/ToolingTests
[77/475] LINK obj/clang/unittests/Interpreter/ClangReplInterpreterTests
[78/475] LINK ./bin/lldb-dap
[79/475] LINK ./bin/lldb-test
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.