1/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
2/* { dg-do compile } */
3
4/* Test that protocol qualifiers are maintained correctly when a
5   @class is replaced by its @interface.  */
6
7#include <objc/objc.h>
8
9@protocol MyProtocol
10- (void) method;
11@end
12
13@class MyClass;
14
15static MyClass <MyProtocol> *object1;
16static MyClass *object2;
17
18/* Declarating the @interface now will need to update all the existing
19   ObjC types referring to MyClass with the new information.  We need
20   to test that protocol information is not lost in the process.  */
21@interface MyClass
22@end
23
24void test1 (void)
25{
26  [object1 method]; /* Ok */
27  [object2 method]; /* { dg-warning ".MyClass. may not respond to ..method." } */
28}
29/* { dg-warning "messages without a matching method signature will be assumed to return .id. and accept .\.\.\.' as arguments" "" { target *-*-* } 0 } */
30