[Clang][NFC] Fix a typo in FunctionDecl (#167677)

Found it while looking at other stuffs.

Author: zyn0217

clang/include/clang/AST/Decl.h

@@ -2335,7 +2335,7 @@ class FunctionDecl : public DeclaratorDecl,
   }
 
   void setDefaultedOrDeletedInfo(DefaultedOrDeletedFunctionInfo *Info);
-  DefaultedOrDeletedFunctionInfo *getDefalutedOrDeletedInfo() const;
+  DefaultedOrDeletedFunctionInfo *getDefaultedOrDeletedInfo() const;
 
   /// Whether this function is variadic.
   bool isVariadic() const;

clang/lib/AST/Decl.cpp

@@ -3180,7 +3180,7 @@ void FunctionDecl::DefaultedOrDeletedFunctionInfo::setDeletedMessage(
 }
 
 FunctionDecl::DefaultedOrDeletedFunctionInfo *
-FunctionDecl::getDefalutedOrDeletedInfo() const {
+FunctionDecl::getDefaultedOrDeletedInfo() const {
   return FunctionDeclBits.HasDefaultedOrDeletedInfo ? DefaultedOrDeletedInfo
                                                     : nullptr;
 }

clang/lib/Sema/SemaDeclCXX.cpp

@@ -8035,7 +8035,7 @@ class DefaultedComparisonVisitor {
   DefaultedComparisonVisitor(Sema &S, CXXRecordDecl *RD, FunctionDecl *FD,
                              DefaultedComparisonKind DCK)
       : S(S), RD(RD), FD(FD), DCK(DCK) {
-    if (auto *Info = FD->getDefalutedOrDeletedInfo()) {
+    if (auto *Info = FD->getDefaultedOrDeletedInfo()) {
       // FIXME: Change CreateOverloadedBinOp to take an ArrayRef instead of an
       // UnresolvedSet to avoid this copy.
       Fns.assign(Info->getUnqualifiedLookups().begin(),

clang/lib/Sema/SemaTemplateInstantiateDecl.cpp

@@ -5465,7 +5465,7 @@ TemplateDeclInstantiator::InitMethodInstantiation(CXXMethodDecl *New,
 bool TemplateDeclInstantiator::SubstDefaultedFunction(FunctionDecl *New,
                                                       FunctionDecl *Tmpl) {
   // Transfer across any unqualified lookups.
-  if (auto *DFI = Tmpl->getDefalutedOrDeletedInfo()) {
+  if (auto *DFI = Tmpl->getDefaultedOrDeletedInfo()) {
     SmallVector<DeclAccessPair, 32> Lookups;
     Lookups.reserve(DFI->getUnqualifiedLookups().size());
     bool AnyChanged = false;

clang/lib/Serialization/ASTWriterDecl.cpp

@@ -903,7 +903,7 @@ void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) {
   Record.push_back(D->getODRHash());
 
   if (D->isDefaulted() || D->isDeletedAsWritten()) {
-    if (auto *FDI = D->getDefalutedOrDeletedInfo()) {
+    if (auto *FDI = D->getDefaultedOrDeletedInfo()) {
       // Store both that there is an DefaultedOrDeletedInfo and whether it
       // contains a DeletedMessage.
       StringLiteral *DeletedMessage = FDI->getDeletedMessage();