1 // RUN: %clang_cc1 %s -fsyntax-only -verify 2 // expected-no-diagnostics 3 4 typedef struct objc_class *Class; 5 typedef struct objc_object { 6 Class isa; 7 } *id; 8 9 10 typedef struct objc_selector *SEL; 11 extern id objc_msgSend(id self, SEL op, ...); 12 13