2346                                       ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideReturn()  argument
2353                             MethodImpl->getObjCDeclQualifier())) {  in CheckMethodOverrideReturn()
2355       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2359           << MethodImpl->getDeclName()  in CheckMethodOverrideReturn()
2360           << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2368       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideReturn()
2369       !S.Context.hasSameNullabilityTypeQualifier(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2372     auto nullabilityMethodImpl = *MethodImpl->getReturnType()->getNullability();  in CheckMethodOverrideReturn()
2374     S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2377                                ((MethodImpl->getObjCDeclQualifier() &  in CheckMethodOverrideReturn()
2385   if (S.Context.hasSameUnqualifiedType(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2398           MethodImpl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2414   S.Diag(MethodImpl->getLocation(), DiagID)  in CheckMethodOverrideReturn()
2415       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2416       << MethodImpl->getReturnType()  in CheckMethodOverrideReturn()
2417       << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2426                                      ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideParam()  argument
2441             << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2445           << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2456       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideParam()
2498     << MethodImpl->getDeclName() << IfaceTy << ImplTy;  in CheckMethodOverrideParam()