1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 // expected-no-diagnostics 3 4 typedef union { 5 struct xx_object_s *_do; 6 struct xx_continuation_s *_dc; 7 struct xx_queue_s *_dq; 8 struct xx_queue_attr_s *_dqa; 9 struct xx_group_s *_dg; 10 struct xx_source_s *_ds; 11 struct xx_source_attr_s *_dsa; 12 struct xx_semaphore_s *_dsema; 13 } xx_object_t __attribute__((transparent_union)); 14 15 @interface INTF 16 - (void) doSomething : (xx_object_t) xxObject; 17 - (void)testMeth; 18 @end 19 20 @implementation INTF 21 - (void) doSomething : (xx_object_t) xxObject {} 22 - (void)testMeth { struct xx_queue_s *sq; [self doSomething:sq ]; } 23 @end 24
