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