1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -fsyntax-only -verify %s 2*f4a2713aSLionel Sambuc// expected-no-diagnostics 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc#include <stddef.h> 5*f4a2713aSLionel Sambuc 6*f4a2713aSLionel Sambuctypedef struct objc_class *Class; 7*f4a2713aSLionel Sambuctypedef struct objc_object { 8*f4a2713aSLionel Sambuc Class isa; 9*f4a2713aSLionel Sambuc} *id; 10*f4a2713aSLionel Sambucid objc_getClass(const char *s); 11*f4a2713aSLionel Sambuc 12*f4a2713aSLionel Sambuc@interface Object 13*f4a2713aSLionel Sambuc+ self; 14*f4a2713aSLionel Sambuc@end 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc@protocol Func 17*f4a2713aSLionel Sambuc+ (void) class_func0; 18*f4a2713aSLionel Sambuc- (void) instance_func0; 19*f4a2713aSLionel Sambuc@end 20*f4a2713aSLionel Sambuc 21*f4a2713aSLionel Sambuc@interface Derived: Object <Func> 22*f4a2713aSLionel Sambuc@end 23*f4a2713aSLionel Sambuc 24*f4a2713aSLionel Sambuc@interface Derived2: Object <Func> 25*f4a2713aSLionel Sambuc@end 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambucstatic void doSomething(Class <Func> unsupportedObjectType) { 28*f4a2713aSLionel Sambuc [unsupportedObjectType class_func0]; 29*f4a2713aSLionel Sambuc} 30*f4a2713aSLionel Sambuc 31*f4a2713aSLionel Sambucstatic void doSomethingElse(id <Func> pleaseConvertToThisType) { 32*f4a2713aSLionel Sambuc [pleaseConvertToThisType class_func0]; 33*f4a2713aSLionel Sambuc} 34*f4a2713aSLionel Sambuc 35*f4a2713aSLionel Sambucint main(int argv, char *argc[]) { 36*f4a2713aSLionel Sambuc doSomething([Derived self]); 37*f4a2713aSLionel Sambuc doSomething([Derived2 self]); 38*f4a2713aSLionel Sambuc doSomethingElse([Derived self]); 39*f4a2713aSLionel Sambuc doSomethingElse([Derived2 self]); 40*f4a2713aSLionel Sambuc} 41*f4a2713aSLionel Sambuc 42