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