2319                                       ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideReturn()  argument
2326                             MethodImpl->getObjCDeclQualifier())) {  in CheckMethodOverrideReturn()
2328       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2332           << MethodImpl->getDeclName()  in CheckMethodOverrideReturn()
2333           << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2341       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideReturn()
2342       !S.Context.hasSameNullabilityTypeQualifier(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2346       *MethodImpl->getReturnType()->getNullability(S.Context);  in CheckMethodOverrideReturn()
2349       S.Diag(MethodImpl->getLocation(),  in CheckMethodOverrideReturn()
2353              ((MethodImpl->getObjCDeclQualifier() & Decl::OBJC_TQ_CSNullability)  in CheckMethodOverrideReturn()
2362   if (S.Context.hasSameUnqualifiedType(MethodImpl->getReturnType(),  in CheckMethodOverrideReturn()
2375           MethodImpl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2391   S.Diag(MethodImpl->getLocation(), DiagID)  in CheckMethodOverrideReturn()
2392       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2393       << MethodImpl->getReturnType()  in CheckMethodOverrideReturn()
2394       << MethodImpl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2403                                      ObjCMethodDecl *MethodImpl,  in CheckMethodOverrideParam()  argument
2418             << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2422           << MethodImpl->getDeclName();  in CheckMethodOverrideParam()
2433       !isa<ObjCImplementationDecl>(MethodImpl->getDeclContext()) &&  in CheckMethodOverrideParam()
2477     << MethodImpl->getDeclName() << IfaceTy << ImplTy;  in CheckMethodOverrideParam()