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