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			40 lines
		
	
	
		
			994 B
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			994 B
		
	
	
	
		
			Plaintext
		
	
	
	
| // RUN: %clang_analyze_cc1 -w -analyzer-checker=core,nullability\
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| // RUN:                       -analyzer-output=text -verify %s
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| // RUN: %clang_analyze_cc1 -w -analyzer-checker=core,nullability\
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| // RUN:                       -analyzer-output=text -verify %s -fobjc-arc
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| 
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| #if !__has_feature(objc_arc)
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| // expected-no-diagnostics
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| #endif
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| 
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| 
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| #define nil ((id)0)
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| 
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| @interface Param
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| @end
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| 
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| @interface Base
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| - (void)foo:(Param *_Nonnull)param;
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| @end
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| 
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| @interface Derived : Base
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| @end
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| 
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| @implementation Derived
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| - (void)foo:(Param *)param {
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|   // FIXME: Why do we not emit the warning under ARC?
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|   [super foo:param];
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| #if __has_feature(objc_arc)
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|   // expected-warning@-2{{nil passed to a callee that requires a non-null 1st parameter}}
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|   // expected-note@-3   {{nil passed to a callee that requires a non-null 1st parameter}}
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| #endif
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| 
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|   [self foo:nil];
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| #if __has_feature(objc_arc)
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|   // expected-note@-2{{Calling 'foo:'}}
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|   // expected-note@-3{{Passing nil object reference via 1st parameter 'param'}}
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| #endif
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| }
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| @end
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| 
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