1// RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class %s
2// expected-no-diagnostics
3
4typedef 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