38 lines
		
	
	
		
			1000 B
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1000 B
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
// RUN: %clang_cc1 %s -fobjc-runtime=macosx-fragile-10.5 -fsyntax-only -verify 
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@interface X 
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{
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  int a : -1; // expected-error{{bit-field 'a' has negative width}}
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  // rdar://6081627
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  int b : 33; // expected-error{{size of bit-field 'b' (33 bits) exceeds size of its type (32 bits)}}
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  int c : (1 + 0.25); // expected-error{{expression is not an integer constant expression}}
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  int d : (int)(1 + 0.25); 
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  // rdar://6138816
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  int e : 0;  // expected-error {{bit-field 'e' has zero width}}
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}
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@end
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@interface Base {
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  int i;
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}
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@end
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@interface WithBitFields: Base {
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  void *isa; // expected-note {{previous definition is here}}
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  unsigned a: 5;
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  signed b: 4;
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  int c: 5; // expected-note {{previous definition is here}}
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}
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@end
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@implementation WithBitFields {
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  char *isa;  // expected-error {{instance variable 'isa' has conflicting type: 'char *' vs 'void *'}}
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  unsigned a: 5;  
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  signed b: 4; 
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  int c: 3;  // expected-error {{instance variable 'c' has conflicting bit-field width}}
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}
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@end
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