2202                                       ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideReturn()  argument
2207       objcModifiersConflict(MethodDecl->getObjCDeclQualifier(),  in CheckMethodOverrideReturn()
2216       S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration)  in CheckMethodOverrideReturn()
2217           << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2225                                                  MethodDecl->getReturnType(),  in CheckMethodOverrideReturn()
2230       *MethodDecl->getReturnType()->getNullability(S.Context);  in CheckMethodOverrideReturn()
2239              ((MethodDecl->getObjCDeclQualifier() & Decl::OBJC_TQ_CSNullability)  in CheckMethodOverrideReturn()
2241       S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in CheckMethodOverrideReturn()
2245                                        MethodDecl->getReturnType()))  in CheckMethodOverrideReturn()
2259             MethodDecl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2274       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2277   S.Diag(MethodDecl->getLocation(), IsOverridingMode  in CheckMethodOverrideReturn()
2280       << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2286                                      ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideParam()  argument
2440                                        ObjCMethodDecl *MethodDecl,  in WarnConflictingTypedMethods()  argument
2443       checkMethodFamilyMismatch(*this, ImpMethodDecl, MethodDecl))  in WarnConflictingTypedMethods()
2446   CheckMethodOverrideReturn(*this, ImpMethodDecl, MethodDecl,   in WarnConflictingTypedMethods()
2451        IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnConflictingTypedMethods()
2452        EF = MethodDecl->param_end();  in WarnConflictingTypedMethods()
2454     CheckMethodOverrideParam(*this, ImpMethodDecl, MethodDecl, *IM, *IF,  in WarnConflictingTypedMethods()
2458   if (ImpMethodDecl->isVariadic() != MethodDecl->isVariadic()) {  in WarnConflictingTypedMethods()
2461     Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in WarnConflictingTypedMethods()
2491                                  ObjCMethodDecl *MethodDecl,  in WarnExactTypedMethods()  argument
2496   if (MethodDecl->getImplementationControl() == ObjCMethodDecl::Optional)  in WarnExactTypedMethods()
2500   if (MethodDecl->hasAttr<UnavailableAttr>() ||  in WarnExactTypedMethods()
2501       MethodDecl->hasAttr<DeprecatedAttr>())  in WarnExactTypedMethods()
2504   bool match = CheckMethodOverrideReturn(*this, ImpMethodDecl, MethodDecl,   in WarnExactTypedMethods()
2508          IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnExactTypedMethods()
2509          EF = MethodDecl->param_end();  in WarnExactTypedMethods()
2511       match = CheckMethodOverrideParam(*this, ImpMethodDecl, MethodDecl,   in WarnExactTypedMethods()
2518     match = (ImpMethodDecl->isVariadic() == MethodDecl->isVariadic());  in WarnExactTypedMethods()
2520     match = !(MethodDecl->isClassMethod() &&  in WarnExactTypedMethods()
2521               MethodDecl->getSelector() == GetNullarySelector("load", Context));  in WarnExactTypedMethods()
2526     Diag(MethodDecl->getLocation(), diag::note_method_declared_at)  in WarnExactTypedMethods()
2527       << MethodDecl->getDeclName();  in WarnExactTypedMethods()