Dinistro added a comment. I'm getting a linking error by some of the files changed in this revision.
ld.lld: error: undefined symbol: vtable for clang::tidy::performance::NoexceptDestructorCheck >>> referenced by NoexceptDestructorCheck.h:26 (/home/christianu/repos/llvm-project/clang-tools-extra/clang-tidy/cppcoreguidelines/../performance/NoexceptDestructorCheck.h:26) >>> tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/CppCoreGuidelinesTidyModule.cpp.o:(std::enable_if<is_invocable_r_v<std::uni que_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy::ClangTidyCheck>>, void clang::tidy::ClangTidyCheckFactories::registerCheck<clang::tidy::performance::NoexceptDestructorCheck>(ll vm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef, clang::tidy::ClangTidyContext*>, std::unique_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang:: tidy::ClangTidyCheck>>>::type std::__invoke_r<std::unique_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy::ClangTidyCheck>>, void clang::tidy::ClangTidyCheckFactories::registerCheck <clang::tidy::performance::NoexceptDestructorCheck>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef, clang::tidy::ClangTidyContext*>(void clang::tidy::C langTidyCheckFactories::registerCheck<clang::tidy::performance::NoexceptDestructorCheck>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef&&, clang::tidy: :ClangTidyContext*&&)) >>> 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::tidy::performance::NoexceptMoveConstructorCheck >>> referenced by NoexceptMoveConstructorCheck.h:30 (/home/christianu/repos/llvm-project/clang-tools-extra/clang-tidy/cppcoreguidelines/../performance/NoexceptMoveConstructorCheck.h:30) >>> tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/CppCoreGuidelinesTidyModule.cpp.o:(std::enable_if<is_invocable_r_v<std::uni que_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy::ClangTidyCheck>>, void clang::tidy::ClangTidyCheckFactories::registerCheck<clang::tidy::performance::NoexceptMoveConstructorChec k>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef, clang::tidy::ClangTidyContext*>, std::unique_ptr<clang::tidy::ClangTidyCheck, std::default_delete<cl ang::tidy::ClangTidyCheck>>>::type std::__invoke_r<std::unique_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy::ClangTidyCheck>>, void clang::tidy::ClangTidyCheckFactories::register Check<clang::tidy::performance::NoexceptMoveConstructorCheck>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef, clang::tidy::ClangTidyContext*>(void clan g::tidy::ClangTidyCheckFactories::registerCheck<clang::tidy::performance::NoexceptMoveConstructorCheck>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef& &, clang::tidy::ClangTidyContext*&&)) >>> 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::tidy::performance::NoexceptSwapCheck >>> referenced by NoexceptSwapCheck.h:26 (/home/christianu/repos/llvm-project/clang-tools-extra/clang-tidy/cppcoreguidelines/../performance/NoexceptSwapCheck.h:26) >>> tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/CppCoreGuidelinesTidyModule.cpp.o:(std::enable_if<is_invocable_r_v<std::uni que_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy::ClangTidyCheck>>, void clang::tidy::ClangTidyCheckFactories::registerCheck<clang::tidy::performance::NoexceptSwapCheck>(llvm::St ringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef, clang::tidy::ClangTidyContext*>, std::unique_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy:: ClangTidyCheck>>>::type std::__invoke_r<std::unique_ptr<clang::tidy::ClangTidyCheck, std::default_delete<clang::tidy::ClangTidyCheck>>, void clang::tidy::ClangTidyCheckFactories::registerCheck<clang ::tidy::performance::NoexceptSwapCheck>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef, clang::tidy::ClangTidyContext*>(void clang::tidy::ClangTidyChec kFactories::registerCheck<clang::tidy::performance::NoexceptSwapCheck>(llvm::StringRef)::'lambda'(llvm::StringRef, clang::tidy::ClangTidyContext*)&, llvm::StringRef&&, clang::tidy::ClangTidyContext* &&)) >>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction) clang-16: error: linker command failed with exit code 1 (use -v to see invocation) I'm building with shared libraries on. 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