2227                                       ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideReturn()  argument
2232       objcModifiersConflict(MethodDecl->getObjCDeclQualifier(),  in CheckMethodOverrideReturn()
2241       S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration)  in CheckMethodOverrideReturn()
2242           << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2250                                                  MethodDecl->getReturnType(),  in CheckMethodOverrideReturn()
2255       *MethodDecl->getReturnType()->getNullability(S.Context);  in CheckMethodOverrideReturn()
2264              ((MethodDecl->getObjCDeclQualifier() & Decl::OBJC_TQ_CSNullability)  in CheckMethodOverrideReturn()
2266       S.Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in CheckMethodOverrideReturn()
2270                                        MethodDecl->getReturnType()))  in CheckMethodOverrideReturn()
2284             MethodDecl->getReturnType()->getAs<ObjCObjectPointerType>()) {  in CheckMethodOverrideReturn()
2299       << MethodImpl->getDeclName() << MethodDecl->getReturnType()  in CheckMethodOverrideReturn()
2302   S.Diag(MethodDecl->getLocation(), IsOverridingMode  in CheckMethodOverrideReturn()
2305       << MethodDecl->getReturnTypeSourceRange();  in CheckMethodOverrideReturn()
2311                                      ObjCMethodDecl *MethodDecl,  in CheckMethodOverrideParam()  argument
2465                                        ObjCMethodDecl *MethodDecl,  in WarnConflictingTypedMethods()  argument
2468       checkMethodFamilyMismatch(*this, ImpMethodDecl, MethodDecl))  in WarnConflictingTypedMethods()
2471   CheckMethodOverrideReturn(*this, ImpMethodDecl, MethodDecl,   in WarnConflictingTypedMethods()
2476        IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnConflictingTypedMethods()
2477        EF = MethodDecl->param_end();  in WarnConflictingTypedMethods()
2479     CheckMethodOverrideParam(*this, ImpMethodDecl, MethodDecl, *IM, *IF,  in WarnConflictingTypedMethods()
2483   if (ImpMethodDecl->isVariadic() != MethodDecl->isVariadic()) {  in WarnConflictingTypedMethods()
2486     Diag(MethodDecl->getLocation(), diag::note_previous_declaration);  in WarnConflictingTypedMethods()
2516                                  ObjCMethodDecl *MethodDecl,  in WarnExactTypedMethods()  argument
2521   if (MethodDecl->getImplementationControl() == ObjCMethodDecl::Optional)  in WarnExactTypedMethods()
2525   if (MethodDecl->hasAttr<UnavailableAttr>() ||  in WarnExactTypedMethods()
2526       MethodDecl->hasAttr<DeprecatedAttr>())  in WarnExactTypedMethods()
2529   bool match = CheckMethodOverrideReturn(*this, ImpMethodDecl, MethodDecl,   in WarnExactTypedMethods()
2533          IF = MethodDecl->param_begin(), EM = ImpMethodDecl->param_end(),  in WarnExactTypedMethods()
2534          EF = MethodDecl->param_end();  in WarnExactTypedMethods()
2536       match = CheckMethodOverrideParam(*this, ImpMethodDecl, MethodDecl,   in WarnExactTypedMethods()
2543     match = (ImpMethodDecl->isVariadic() == MethodDecl->isVariadic());  in WarnExactTypedMethods()
2545     match = !(MethodDecl->isClassMethod() &&  in WarnExactTypedMethods()
2546               MethodDecl->getSelector() == GetNullarySelector("load", Context));  in WarnExactTypedMethods()
2551     Diag(MethodDecl->getLocation(), diag::note_method_declared_at)  in WarnExactTypedMethods()
2552       << MethodDecl->getDeclName();  in WarnExactTypedMethods()