30 lines
		
	
	
		
			620 B
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			620 B
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -verify %s
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| 
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| @interface Object 
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| @end
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| 
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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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| 
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| @protocol ProtocolDerivedGCObject <ProtocolObject>
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| @property int Dclass;
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| @end
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| 
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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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| 
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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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| 
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