|  | // RUN: %clang_cc1 -fsyntax-only -Wno-protocol -verify %s | 
|  | // rdar: // 7056600 | 
|  |  | 
|  | @protocol P | 
|  | - PMeth; | 
|  | @end | 
|  |  | 
|  | // Test1 | 
|  | @interface I  <P> @end | 
|  | @implementation I @end //  no warning with -Wno-protocol | 
|  |  | 
|  | // Test2 | 
|  | @interface C -PMeth; @end | 
|  | @interface C (Category) <P> @end | 
|  | @implementation C (Category) @end //  no warning with -Wno-protocol | 
|  |  | 
|  | // Test2 | 
|  | @interface super - PMeth; @end | 
|  | @interface J : super <P> | 
|  | - PMeth;	// expected-note {{ method definition for 'PMeth' not found}} | 
|  | @end | 
|  | @implementation J @end	// expected-warning {{incomplete implementation}} | 
|  |  | 
|  | // Test3 | 
|  | @interface K : super <P> | 
|  | @end | 
|  | @implementation K @end // no warning with -Wno-protocol | 
|  |  | 
|  | // Test4 | 
|  | @interface Root @end | 
|  | @interface L : Root<P> @end | 
|  | @implementation L @end // no warning with -Wno-protocol |