[all-commits] [llvm/llvm-project] a1580d: [clang] Add #include <optional> (NFC)

kazutakahirata via All-commits all-commits at lists.llvm.org
Sat Jan 14 11:07:40 PST 2023 

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a1580d7b59b65b17f2ce7fdb95f46379e7df4089
      https://github.com/llvm/llvm-project/commit/a1580d7b59b65b17f2ce7fdb95f46379e7df4089
  Author: Kazu Hirata <kazu at google.com>
  Date:   2023-01-14 (Sat, 14 Jan 2023)

  Changed paths:
    M clang/include/clang/AST/ASTContext.h
    M clang/include/clang/AST/ASTImporter.h
    M clang/include/clang/AST/ASTImporterSharedState.h
    M clang/include/clang/AST/ASTStructuralEquivalence.h
    M clang/include/clang/AST/AbstractBasicReader.h
    M clang/include/clang/AST/AbstractBasicWriter.h
    M clang/include/clang/AST/ComparisonCategories.h
    M clang/include/clang/AST/Decl.h
    M clang/include/clang/AST/DeclTemplate.h
    M clang/include/clang/AST/Expr.h
    M clang/include/clang/AST/ExprCXX.h
    M clang/include/clang/AST/ExprObjC.h
    M clang/include/clang/AST/ExternalASTSource.h
    M clang/include/clang/AST/FormatString.h
    M clang/include/clang/AST/Mangle.h
    M clang/include/clang/AST/NSAPI.h
    M clang/include/clang/AST/Stmt.h
    M clang/include/clang/AST/TemplateBase.h
    M clang/include/clang/AST/TemplateName.h
    M clang/include/clang/AST/Type.h
    M clang/include/clang/ASTMatchers/ASTMatchFinder.h
    M clang/include/clang/ASTMatchers/ASTMatchers.h
    M clang/include/clang/ASTMatchers/ASTMatchersInternal.h
    M clang/include/clang/ASTMatchers/Dynamic/Parser.h
    M clang/include/clang/ASTMatchers/Dynamic/Registry.h
    M clang/include/clang/ASTMatchers/Dynamic/VariantValue.h
    M clang/include/clang/Analysis/Analyses/ThreadSafetyTIL.h
    M clang/include/clang/Analysis/AnyCall.h
    M clang/include/clang/Analysis/BodyFarm.h
    M clang/include/clang/Analysis/CFG.h
    M clang/include/clang/Analysis/FlowSensitive/DataflowAnalysis.h
    M clang/include/clang/Analysis/FlowSensitive/DataflowAnalysisContext.h
    M clang/include/clang/Analysis/FlowSensitive/Solver.h
    M clang/include/clang/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.h
    M clang/include/clang/Analysis/MacroExpansionContext.h
    M clang/include/clang/Analysis/PathDiagnostic.h
    M clang/include/clang/Analysis/ProgramPoint.h
    M clang/include/clang/Analysis/RetainSummaryManager.h
    M clang/include/clang/Basic/DarwinSDKInfo.h
    M clang/include/clang/Basic/Diagnostic.h
    M clang/include/clang/Basic/DiagnosticError.h
    M clang/include/clang/Basic/DiagnosticIDs.h
    M clang/include/clang/Basic/DirectoryEntry.h
    M clang/include/clang/Basic/FileEntry.h
    M clang/include/clang/Basic/FileSystemStatCache.h
    M clang/include/clang/Basic/LangOptions.h
    M clang/include/clang/Basic/Module.h
    M clang/include/clang/Basic/ProfileList.h
    M clang/include/clang/Basic/Sarif.h
    M clang/include/clang/Basic/SourceManager.h
    M clang/include/clang/CrossTU/CrossTranslationUnit.h
    M clang/include/clang/ExtractAPI/Serialization/SymbolGraphSerializer.h
    M clang/include/clang/Format/Format.h
    M clang/include/clang/Frontend/ASTUnit.h
    M clang/include/clang/Frontend/CommandLineSourceLoc.h
    M clang/include/clang/Frontend/CompilerInstance.h
    M clang/include/clang/Frontend/FrontendOptions.h
    M clang/include/clang/Lex/HeaderMap.h
    M clang/include/clang/Lex/Lexer.h
    M clang/include/clang/Lex/ModuleMap.h
    M clang/include/clang/Lex/PreprocessingRecord.h
    M clang/include/clang/Lex/Preprocessor.h
    M clang/include/clang/Lex/PreprocessorOptions.h
    M clang/include/clang/Parse/Parser.h
    M clang/include/clang/Sema/CodeCompleteConsumer.h
    M clang/include/clang/Sema/Lookup.h
    M clang/include/clang/Sema/Scope.h
    M clang/include/clang/Sema/Sema.h
    M clang/include/clang/Sema/SemaConcept.h
    M clang/include/clang/Sema/SemaLambda.h
    M clang/include/clang/Sema/Template.h
    M clang/include/clang/Sema/TemplateDeduction.h
    M clang/include/clang/Serialization/ASTReader.h
    M clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
    M clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/CheckerHelpers.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/ExplodedGraph.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/FunctionSummary.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/MemRegion.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/SValBuilder.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/SVals.h
    M clang/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h
    M clang/include/clang/Tooling/ASTDiff/ASTDiff.h
    M clang/include/clang/Tooling/AllTUsExecution.h
    M clang/include/clang/Tooling/Core/Replacement.h
    M clang/include/clang/Tooling/DependencyScanning/DependencyScanningFilesystem.h
    M clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h
    M clang/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h
    M clang/include/clang/Tooling/Inclusions/HeaderIncludes.h
    M clang/include/clang/Tooling/Refactoring/ASTSelection.h
    M clang/include/clang/Tooling/Refactoring/Extract/Extract.h
    M clang/include/clang/Tooling/Refactoring/RefactoringOptionVisitor.h
    M clang/include/clang/Tooling/Refactoring/RefactoringOptions.h
    M clang/include/clang/Tooling/StandaloneExecution.h
    M clang/lib/ARCMigrate/Internals.h
    M clang/lib/AST/AttrImpl.cpp
    M clang/lib/AST/ComparisonCategories.cpp
    M clang/lib/AST/Decl.cpp
    M clang/lib/AST/DeclTemplate.cpp
    M clang/lib/AST/Expr.cpp
    M clang/lib/AST/ExprCXX.cpp
    M clang/lib/AST/ExternalASTSource.cpp
    M clang/lib/AST/FormatString.cpp
    M clang/lib/AST/ItaniumCXXABI.cpp
    M clang/lib/AST/ItaniumMangle.cpp
    M clang/lib/AST/JSONNodeDumper.cpp
    M clang/lib/AST/Linkage.h
    M clang/lib/AST/MicrosoftMangle.cpp
    M clang/lib/AST/NSAPI.cpp
    M clang/lib/AST/OpenMPClause.cpp
    M clang/lib/AST/Stmt.cpp
    M clang/lib/AST/StmtPrinter.cpp
    M clang/lib/AST/TemplateBase.cpp
    M clang/lib/AST/TemplateName.cpp
    M clang/lib/AST/Type.cpp
    M clang/lib/ASTMatchers/ASTMatchersInternal.cpp
    M clang/lib/ASTMatchers/Dynamic/Marshallers.cpp
    M clang/lib/ASTMatchers/Dynamic/Marshallers.h
    M clang/lib/ASTMatchers/Dynamic/Parser.cpp
    M clang/lib/ASTMatchers/Dynamic/Registry.cpp
    M clang/lib/ASTMatchers/Dynamic/VariantValue.cpp
    M clang/lib/Analysis/BodyFarm.cpp
    M clang/lib/Analysis/CFG.cpp
    M clang/lib/Analysis/CFGStmtMap.cpp
    M clang/lib/Analysis/CalledOnceCheck.cpp
    M clang/lib/Analysis/Consumed.cpp
    M clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
    M clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp
    M clang/lib/Analysis/IssueHash.cpp
    M clang/lib/Analysis/LiveVariables.cpp
    M clang/lib/Analysis/MacroExpansionContext.cpp
    M clang/lib/Analysis/PathDiagnostic.cpp
    M clang/lib/Analysis/ReachableCode.cpp
    M clang/lib/Analysis/RetainSummaryManager.cpp
    M clang/lib/Analysis/ThreadSafety.cpp
    M clang/lib/Analysis/UninitializedValues.cpp
    M clang/lib/Analysis/UnsafeBufferUsage.cpp
    M clang/lib/Basic/DiagnosticIDs.cpp
    M clang/lib/Basic/ProfileList.cpp
    M clang/lib/Basic/Sarif.cpp
    M clang/lib/Basic/SourceManager.cpp
    M clang/lib/Basic/Targets/AArch64.cpp
    M clang/lib/Basic/Targets/AArch64.h
    M clang/lib/Basic/Targets/M68k.cpp
    M clang/lib/Basic/Targets/M68k.h
    M clang/lib/Basic/Targets/RISCV.h
    M clang/lib/Basic/Targets/X86.cpp
    M clang/lib/Basic/Targets/X86.h
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/lib/CodeGen/CGClass.cpp
    M clang/lib/CodeGen/CGDecl.cpp
    M clang/lib/CodeGen/CGExpr.cpp
    M clang/lib/CodeGen/CGExprConstant.cpp
    M clang/lib/CodeGen/CGExprScalar.cpp
    M clang/lib/CodeGen/CGHLSLRuntime.h
    M clang/lib/CodeGen/CGLoopInfo.cpp
    M clang/lib/CodeGen/CGObjC.cpp
    M clang/lib/CodeGen/CGOpenMPRuntime.cpp
    M clang/lib/CodeGen/CGStmt.cpp
    M clang/lib/CodeGen/CGStmtOpenMP.cpp
    M clang/lib/CodeGen/CodeGenAction.cpp
    M clang/lib/CodeGen/CodeGenFunction.cpp
    M clang/lib/CodeGen/CodeGenFunction.h
    M clang/lib/CodeGen/CodeGenModule.cpp
    M clang/lib/CodeGen/CodeGenModule.h
    M clang/lib/CodeGen/CodeGenPGO.cpp
    M clang/lib/CodeGen/CodeGenPGO.h
    M clang/lib/CodeGen/CoverageMappingGen.cpp
    M clang/lib/CodeGen/SwiftCallingConv.cpp
    M clang/lib/CrossTU/CrossTranslationUnit.cpp
    M clang/lib/Edit/RewriteObjCFoundationAPI.cpp
    M clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
    M clang/lib/Format/ContinuationIndenter.h
    M clang/lib/Format/FormatToken.h
    M clang/lib/Frontend/DependencyFile.cpp
    M clang/lib/Frontend/FrontendActions.cpp
    M clang/lib/Lex/DependencyDirectivesScanner.cpp
    M clang/lib/Lex/HeaderMap.cpp
    M clang/lib/Lex/InitHeaderSearch.cpp
    M clang/lib/Lex/Lexer.cpp
    M clang/lib/Lex/MacroInfo.cpp
    M clang/lib/Lex/ModuleMap.cpp
    M clang/lib/Lex/PPDirectives.cpp
    M clang/lib/Lex/PPLexerChange.cpp
    M clang/lib/Lex/PPMacroExpansion.cpp
    M clang/lib/Lex/Pragma.cpp
    M clang/lib/Lex/PreprocessingRecord.cpp
    M clang/lib/Lex/Preprocessor.cpp
    M clang/lib/Lex/TokenLexer.cpp
    M clang/lib/Parse/ParseDecl.cpp
    M clang/lib/Parse/ParseDeclCXX.cpp
    M clang/lib/Parse/ParseExpr.cpp
    M clang/lib/Parse/ParseOpenMP.cpp
    M clang/lib/Parse/ParsePragma.cpp
    M clang/lib/Parse/ParseStmt.cpp
    M clang/lib/Sema/AnalysisBasedWarnings.cpp
    M clang/lib/Sema/Sema.cpp
    M clang/lib/Sema/SemaAttr.cpp
    M clang/lib/Sema/SemaAvailability.cpp
    M clang/lib/Sema/SemaCUDA.cpp
    M clang/lib/Sema/SemaChecking.cpp
    M clang/lib/Sema/SemaCodeComplete.cpp
    M clang/lib/Sema/SemaConcept.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaDeclAttr.cpp
    M clang/lib/Sema/SemaDeclCXX.cpp
    M clang/lib/Sema/SemaExceptionSpec.cpp
    M clang/lib/Sema/SemaExpr.cpp
    M clang/lib/Sema/SemaExprCXX.cpp
    M clang/lib/Sema/SemaExprObjC.cpp
    M clang/lib/Sema/SemaLambda.cpp
    M clang/lib/Sema/SemaLookup.cpp
    M clang/lib/Sema/SemaModule.cpp
    M clang/lib/Sema/SemaOpenMP.cpp
    M clang/lib/Sema/SemaRISCVVectorLookup.cpp
    M clang/lib/Sema/SemaStmtAsm.cpp
    M clang/lib/Sema/SemaStmtAttr.cpp
    M clang/lib/Sema/SemaTemplate.cpp
    M clang/lib/Sema/SemaTemplateDeduction.cpp
    M clang/lib/Sema/SemaTemplateInstantiate.cpp
    M clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
    M clang/lib/Sema/SemaTemplateVariadic.cpp
    M clang/lib/Sema/SemaType.cpp
    M clang/lib/Sema/TreeTransform.h
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Serialization/ASTReaderStmt.cpp
    M clang/lib/Serialization/ASTWriter.cpp
    M clang/lib/Serialization/ASTWriterDecl.cpp
    M clang/lib/StaticAnalyzer/Checkers/AnalyzerStatsChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/ArrayBoundCheckerV2.cpp
    M clang/lib/StaticAnalyzer/Checkers/BoolAssignmentChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/CastValueChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/CheckObjCDealloc.cpp
    M clang/lib/StaticAnalyzer/Checkers/DivZeroChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/DynamicTypePropagation.cpp
    M clang/lib/StaticAnalyzer/Checkers/EnumCastOutOfRangeChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/ErrnoChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/ErrnoModeling.cpp
    M clang/lib/StaticAnalyzer/Checkers/ErrnoModeling.h
    M clang/lib/StaticAnalyzer/Checkers/ErrnoTesterChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/ExprInspectionChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/FuchsiaHandleChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/GTestChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/LocalizationChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/MIGChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/MallocOverflowSecurityChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/NSErrorChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/NonnullGlobalConstantsChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/ReturnValueChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/SmartPtrModeling.cpp
    M clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/Taint.cpp
    M clang/lib/StaticAnalyzer/Checkers/TestAfterDivZeroChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/UndefBranchChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/UndefCapturedBlockVarChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/UninitializedObject/UninitializedPointee.cpp
    M clang/lib/StaticAnalyzer/Checkers/UnreachableCodeChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/VforkChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/ASTUtils.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/NoUncountedMembersChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/RefCntblBaseVirtualDtorChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLambdaCapturesChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedLocalVarsChecker.cpp
    M clang/lib/StaticAnalyzer/Checkers/Yaml.h
    M clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp
    M clang/lib/StaticAnalyzer/Core/BugReporter.cpp
    M clang/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
    M clang/lib/StaticAnalyzer/Core/CallDescription.cpp
    M clang/lib/StaticAnalyzer/Core/CallEvent.cpp
    M clang/lib/StaticAnalyzer/Core/CheckerHelpers.cpp
    M clang/lib/StaticAnalyzer/Core/CheckerManager.cpp
    M clang/lib/StaticAnalyzer/Core/CoreEngine.cpp
    M clang/lib/StaticAnalyzer/Core/ExplodedGraph.cpp
    M clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
    M clang/lib/StaticAnalyzer/Core/ExprEngineC.cpp
    M clang/lib/StaticAnalyzer/Core/ExprEngineCXX.cpp
    M clang/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
    M clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
    M clang/lib/StaticAnalyzer/Core/MemRegion.cpp
    M clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp
    M clang/lib/StaticAnalyzer/Core/ProgramState.cpp
    M clang/lib/StaticAnalyzer/Core/RangeConstraintManager.cpp
    M clang/lib/StaticAnalyzer/Core/RegionStore.cpp
    M clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
    M clang/lib/StaticAnalyzer/Core/SVals.cpp
    M clang/lib/StaticAnalyzer/Core/SimpleConstraintManager.cpp
    M clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp
    M clang/lib/StaticAnalyzer/Core/Store.cpp
    M clang/lib/Tooling/ASTDiff/ASTDiff.cpp
    M clang/lib/Tooling/DependencyScanning/DependencyScanningFilesystem.cpp
    M clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
    M clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp
    M clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
    M clang/lib/Tooling/Inclusions/HeaderIncludes.cpp
    M clang/lib/Tooling/InterpolatingCompilationDatabase.cpp
    M clang/lib/Tooling/JSONCompilationDatabase.cpp
    M clang/lib/Tooling/Refactoring/ASTSelection.cpp
    M clang/lib/Tooling/Refactoring/ASTSelectionRequirements.cpp
    M clang/lib/Tooling/Refactoring/Extract/Extract.cpp
    M clang/lib/Tooling/Refactoring/Extract/SourceExtraction.cpp
    M clang/lib/Tooling/Syntax/Tokens.cpp
    M clang/lib/Tooling/Transformer/Parsing.cpp
    M clang/tools/clang-extdef-mapping/ClangExtDefMapGen.cpp
    M clang/tools/clang-refactor/ClangRefactor.cpp
    M clang/tools/clang-refactor/TestSupport.cpp
    M clang/tools/clang-refactor/TestSupport.h
    M clang/tools/clang-repl/ClangRepl.cpp
    M clang/tools/clang-scan-deps/ClangScanDeps.cpp
    M clang/tools/diagtool/FindDiagnosticID.cpp
    M clang/tools/driver/cc1as_main.cpp
    M clang/tools/driver/cc1gen_reproducer_main.cpp
    M clang/tools/libclang/CIndex.cpp
    M clang/tools/libclang/CXType.cpp
    M clang/tools/libclang/CursorVisitor.h
    M clang/unittests/AST/ASTImporterTest.cpp
    M clang/unittests/ASTMatchers/Dynamic/ParserTest.cpp
    M clang/unittests/ASTMatchers/Dynamic/RegistryTest.cpp
    M clang/unittests/Analysis/FlowSensitive/MultiVarConstantPropagationTest.cpp
    M clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp
    M clang/unittests/Analysis/FlowSensitive/TestingSupport.h
    M clang/unittests/Analysis/FlowSensitive/TransferBranchTest.cpp
    M clang/unittests/Analysis/FlowSensitive/TransferTest.cpp
    M clang/unittests/Analysis/FlowSensitive/TypeErasedDataflowAnalysisTest.cpp
    M clang/unittests/Analysis/FlowSensitive/UncheckedOptionalAccessModelTest.cpp
    M clang/unittests/Basic/DarwinSDKInfoTest.cpp
    M clang/unittests/Basic/DiagnosticTest.cpp
    M clang/unittests/Driver/SanitizerArgsTest.cpp
    M clang/unittests/Frontend/ParsedSourceLocationTest.cpp
    M clang/unittests/Lex/PPDependencyDirectivesTest.cpp
    M clang/unittests/Serialization/SourceLocationEncodingTest.cpp
    M clang/unittests/StaticAnalyzer/TestReturnValueUnderConstruction.cpp
    M clang/unittests/Tooling/ASTSelectionTest.cpp
    M clang/unittests/Tooling/RefactoringActionRulesTest.cpp
    M clang/unittests/Tooling/RefactoringTest.cpp
    M clang/unittests/Tooling/SourceCodeBuildersTest.cpp
    M clang/unittests/Tooling/StencilTest.cpp
    M clang/unittests/Tooling/Syntax/TokensTest.cpp
    M clang/unittests/Tooling/TransformerTest.cpp
    M clang/utils/TableGen/ASTTableGen.cpp
    M clang/utils/TableGen/ASTTableGen.h
    M clang/utils/TableGen/ClangASTPropertiesEmitter.cpp
    M clang/utils/TableGen/ClangAttrEmitter.cpp

  Log Message:
  -----------
  [clang] Add #include <optional> (NFC)

This patch adds #include <optional> to those files containing
llvm::Optional<...> or Optional<...>.

I'll post a separate patch to actually replace llvm::Optional with
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716

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