24 lines
		
	
	
		
			620 B
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			620 B
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class %s
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| // expected-no-diagnostics
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| 
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| typedef union {
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|  struct xx_object_s *_do;
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|  struct xx_continuation_s *_dc;
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|  struct xx_queue_s *_dq;
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|  struct xx_queue_attr_s *_dqa;
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|  struct xx_group_s *_dg;
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|  struct xx_source_s *_ds;
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|  struct xx_source_attr_s *_dsa;
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|  struct xx_semaphore_s *_dsema;
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| } xx_object_t __attribute__((transparent_union));
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| 
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| @interface INTF
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| - (void) doSomething : (xx_object_t) xxObject;
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| - (void)testMeth;
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| @end
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| 
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| @implementation INTF
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| - (void) doSomething : (xx_object_t) xxObject {}
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| - (void)testMeth { struct xx_queue_s *sq; [self doSomething:sq ]; }
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| @end
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