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// RUN: %clang_cc1 -verify %s
@interface Object
@end
@protocol ProtocolObject
@property int class;
@property (copy) id MayCauseError;
@end
@protocol ProtocolDerivedGCObject <ProtocolObject>
@property int Dclass;
@end
@interface GCObject : Object <ProtocolDerivedGCObject> {
int ifield;
int iOwnClass;
int iDclass;
}
@property int OwnClass;
@end
@interface ReleaseObject : GCObject <ProtocolObject> {
int newO;
int oldO;
}
@property (retain) id MayCauseError; // expected-warning {{'copy' attribute on property 'MayCauseError' does not match the property inherited from 'ProtocolObject'}}
@end
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