2347                                       ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideReturn()  argument
2352       objcModifiersConflict(MethodDecl->getObjCDeclQualifier(),  in CheckMethodOverrideReturn()
2361       S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration)  in CheckMethodOverrideReturn()
2362           << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2370                                                  MethodDecl->getReturnType(),  in CheckMethodOverrideReturn()
2373     auto nullabilityMethodDecl = *MethodDecl->getReturnType()->getNullability();  in CheckMethodOverrideReturn()
2380                                ((MethodDecl->getObjCDeclQualifier() &  in CheckMethodOverrideReturn()
2382     S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in CheckMethodOverrideReturn()
2386                                        MethodDecl->getReturnType()))  in CheckMethodOverrideReturn()
2400             MethodDecl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2415       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2418   S.Diag(MethodDecl->getLocation(), IsOverridingMode  in CheckMethodOverrideReturn()
2421       << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2427                                      ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideParam()  argument
2579                                        ObjCMethodDecl *MethodDecl,  in WarnConflictingTypedMethods()  argument
2582       checkMethodFamilyMismatch(*this, ImpMethodDecl, MethodDecl))  in WarnConflictingTypedMethods()
2585   CheckMethodOverrideReturn(*this, ImpMethodDecl, MethodDecl,  in WarnConflictingTypedMethods()
2590        IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnConflictingTypedMethods()
2591        EF = MethodDecl->param_end();  in WarnConflictingTypedMethods()
2593     CheckMethodOverrideParam(*this, ImpMethodDecl, MethodDecl, *IM, *IF,  in WarnConflictingTypedMethods()
2597   if (ImpMethodDecl->isVariadic() != MethodDecl->isVariadic()) {  in WarnConflictingTypedMethods()
2600     Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in WarnConflictingTypedMethods()
2630                                  ObjCMethodDecl *MethodDecl,  in WarnExactTypedMethods()  argument
2635   if (MethodDecl->getImplementationControl() == ObjCMethodDecl::Optional)  in WarnExactTypedMethods()
2639   if (MethodDecl->hasAttr<UnavailableAttr>() ||  in WarnExactTypedMethods()
2640       MethodDecl->hasAttr<DeprecatedAttr>())  in WarnExactTypedMethods()
2643   bool match = CheckMethodOverrideReturn(*this, ImpMethodDecl, MethodDecl,  in WarnExactTypedMethods()
2647          IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnExactTypedMethods()
2648          EF = MethodDecl->param_end();  in WarnExactTypedMethods()
2650       match = CheckMethodOverrideParam(*this, ImpMethodDecl, MethodDecl,  in WarnExactTypedMethods()
2657     match = (ImpMethodDecl->isVariadic() == MethodDecl->isVariadic());  in WarnExactTypedMethods()
2659     match = !(MethodDecl->isClassMethod() &&  in WarnExactTypedMethods()
2660               MethodDecl->getSelector() == GetNullarySelector("load", Context));  in WarnExactTypedMethods()
2665     Diag(MethodDecl->getLocation(), diag::note_method_declared_at)  in WarnExactTypedMethods()
2666       << MethodDecl->getDeclName();  in WarnExactTypedMethods()