2332                                       ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideReturn()  argument
2339                             MethodImpl->getObjCDeclQualifier())) {  in CheckMethodOverrideReturn()
2341       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2345           << MethodImpl->getDeclName()  in CheckMethodOverrideReturn()
2346           << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2354       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideReturn()
2355       !S.Context.hasSameNullabilityTypeQualifier(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2359       *MethodImpl->getReturnType()->getNullability(S.Context);  in CheckMethodOverrideReturn()
2362       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2366              ((MethodImpl->getObjCDeclQualifier() & Decl::OBJC_TQ_CSNullability)  in CheckMethodOverrideReturn()
2375   if (S.Context.hasSameUnqualifiedType(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2388           MethodImpl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2404   S.Diag(MethodImpl->getLocation(), DiagID)  in CheckMethodOverrideReturn()
2405       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2406       << MethodImpl->getReturnType()  in CheckMethodOverrideReturn()
2407       << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2416                                      ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideParam()  argument
2431             << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2435           << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2446       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideParam()
2490     << MethodImpl->getDeclName() << IfaceTy << ImplTy;  in CheckMethodOverrideParam()