|  | // RUN: %clang_cc1 -fsyntax-only -verify %s | 
|  |  | 
|  | @interface INTF1 @end | 
|  |  | 
|  | @protocol p1,p2,p3; | 
|  |  | 
|  | @protocol p1; | 
|  |  | 
|  | @protocol PROTO1 | 
|  | - (INTF1<p1>*) meth; | 
|  | @end | 
|  |  | 
|  | @protocol p1 @end | 
|  |  | 
|  | @interface I1 <p1> @end | 
|  |  | 
|  | @interface E1 <p2> @end	// expected-warning {{cannot find protocol definition for 'p2'}} | 
|  |  | 
|  | @protocol p2 @end | 
|  |  | 
|  |  | 
|  | @interface I2 <p1,p2> @end | 
|  |  | 
|  | @interface E2 <p1,p2,p3> @end  // expected-warning {{cannot find protocol definition for 'p3'}} | 
|  |  | 
|  | @class U1, U2; | 
|  |  | 
|  | @interface E3 : U1 @end // expected-error {{cannot find interface declaration for 'U1', superclass of 'E3'}} | 
|  |  | 
|  |  | 
|  | @interface I3 : E3  @end | 
|  |  | 
|  | @interface U2 @end | 
|  |  | 
|  | @interface I4 : U2 <p1,p2> | 
|  | @end |