// RUN: %clang_cc1 -verify -Wno-objc-root-class %s // expected-no-diagnostics @protocol MyProto1 @optional - (void) FOO; @optional - (void) FOO1; @optional - (void) REQ; @optional @end @interface MyProto2 <MyProto1> - (void) FOO2; - (void) FOO3; @end @implementation MyProto2 - (void) FOO2{} - (void) FOO3{} @end |