// RUN: %clang_cc1 -verify -Wno-objc-root-class %s @protocol P @end @interface INTF<P> - (void)IMeth; @end @implementation INTF - (void)IMeth { [(id<P>)self Meth]; } // expected-warning {{instance method '-Meth' not found (return type defaults to 'id'); did you mean '-IMeth'?}} @end