1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3@interface INTF1 @end
4
5@protocol p1,p2,p3;
6
7@protocol p1;
8
9@protocol PROTO1
10- (INTF1<p1>*) meth;
11@end
12
13@protocol p1 @end
14
15@interface I1 <p1> @end
16
17@interface E1 <p2> @end	// expected-warning {{cannot find protocol definition for 'p2'}}
18
19@protocol p2 @end
20
21
22@interface I2 <p1,p2> @end
23
24@interface E2 <p1,p2,p3> @end  // expected-warning {{cannot find protocol definition for 'p3'}}
25
26@class U1, U2; // expected-note {{forward declaration of class here}}
27
28@interface E3 : U1 @end // expected-error {{attempting to use the forward class 'U1' as superclass of 'E3'}}
29
30
31@interface I3 : E3  @end
32
33@interface U2 @end
34
35@interface I4 : U2 <p1,p2>
36@end
37