2355                                       ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideReturn()  argument
2360       objcModifiersConflict(MethodDecl->getObjCDeclQualifier(),  in CheckMethodOverrideReturn()
2369       S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration)  in CheckMethodOverrideReturn()
2370           << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2378                                                  MethodDecl->getReturnType(),  in CheckMethodOverrideReturn()
2381     auto nullabilityMethodDecl = *MethodDecl->getReturnType()->getNullability();  in CheckMethodOverrideReturn()
2388                                ((MethodDecl->getObjCDeclQualifier() &  in CheckMethodOverrideReturn()
2390     S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in CheckMethodOverrideReturn()
2394                                        MethodDecl->getReturnType()))  in CheckMethodOverrideReturn()
2408             MethodDecl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2423       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2426   S.Diag(MethodDecl->getLocation(), IsOverridingMode  in CheckMethodOverrideReturn()
2429       << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2435                                      ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideParam()  argument
2587                                            ObjCMethodDecl *MethodDecl,  in WarnConflictingTypedMethods()  argument
2590       checkMethodFamilyMismatch(SemaRef, ImpMethodDecl, MethodDecl))  in WarnConflictingTypedMethods()
2593   CheckMethodOverrideReturn(SemaRef, ImpMethodDecl, MethodDecl,  in WarnConflictingTypedMethods()
2597        IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnConflictingTypedMethods()
2598        EF = MethodDecl->param_end();  in WarnConflictingTypedMethods()
2600     CheckMethodOverrideParam(SemaRef, ImpMethodDecl, MethodDecl, *IM, *IF,  in WarnConflictingTypedMethods()
2604   if (ImpMethodDecl->isVariadic() != MethodDecl->isVariadic()) {  in WarnConflictingTypedMethods()
2607     Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in WarnConflictingTypedMethods()
2636                                      ObjCMethodDecl *MethodDecl,  in WarnExactTypedMethods()  argument
2642   if (MethodDecl->getImplementationControl() ==  in WarnExactTypedMethods()
2647   if (MethodDecl->hasAttr<UnavailableAttr>() ||  in WarnExactTypedMethods()
2648       MethodDecl->hasAttr<DeprecatedAttr>())  in WarnExactTypedMethods()
2651   bool match = CheckMethodOverrideReturn(SemaRef, ImpMethodDecl, MethodDecl,  in WarnExactTypedMethods()
2655          IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnExactTypedMethods()
2656          EF = MethodDecl->param_end();  in WarnExactTypedMethods()
2658       match = CheckMethodOverrideParam(SemaRef, ImpMethodDecl, MethodDecl, *IM,  in WarnExactTypedMethods()
2664     match = (ImpMethodDecl->isVariadic() == MethodDecl->isVariadic());  in WarnExactTypedMethods()
2666     match = !(MethodDecl->isClassMethod() &&  in WarnExactTypedMethods()
2667               MethodDecl->getSelector() == GetNullarySelector("load", Context));  in WarnExactTypedMethods()
2672     Diag(MethodDecl->getLocation(), diag::note_method_declared_at)  in WarnExactTypedMethods()
2673       << MethodDecl->getDeclName();  in WarnExactTypedMethods()