|  | // RUN: %clang_cc1 %s -fsyntax-only -verify | 
|  | // expected-no-diagnostics | 
|  | // rdar://8632525 | 
|  | extern id objc_msgSend(id self, SEL op, ...); | 
|  |  | 
|  | // rdar://12489098 | 
|  | struct objc_super { | 
|  | id receiver; | 
|  | Class super_class; | 
|  | }; | 
|  |  | 
|  | extern __attribute__((visibility("default"))) id objc_msgSendSuper(struct objc_super *super, SEL op, ...) | 
|  | __attribute__((availability(macosx,introduced=10.0))); | 
|  |  | 
|  | extern __attribute__((visibility("default"))) void objc_msgSendSuper_stret(struct objc_super *super, SEL op, ...) | 
|  | __attribute__((availability(macosx,introduced=10.0))); | 
|  |  | 
|  | extern __attribute__((visibility("default"))) void objc_msgSend_stret(id self, SEL op, ...) | 
|  | __attribute__((availability(macosx,introduced=10.0))); | 
|  |  |