1 // RUN: %clang_cc1 -verify %s 2 3 @interface Object 4 @end 5 6 @protocol ProtocolObject 7 @property int class; 8 @property (copy) id MayCauseError; 9 @end 10 11 @protocol ProtocolDerivedGCObject <ProtocolObject> 12 @property int Dclass; 13 @end 14 15 @interface GCObject : Object <ProtocolDerivedGCObject> { 16 int ifield; 17 int iOwnClass; 18 int iDclass; 19 } 20 @property int OwnClass; 21 @end 22 23 @interface ReleaseObject : GCObject <ProtocolObject> { 24 int newO; 25 int oldO; 26 } 27 @property (retain) id MayCauseError; // expected-warning {{'copy' attribute on property 'MayCauseError' does not match the property inherited from 'ProtocolObject'}} 28 @end 29 30
