4 fail_compilation/test12228.d(12): Error: undefined identifier `this`, did you mean `typeof(this)`?
5 fail_compilation/test12228.d(18): Error: undefined identifier `super`, did you mean `typeof(super)`?
6 fail_compilation/test12228.d(19): Error: undefined identifier `super`, did you mean `typeof(super)`?
17 alias x
= typeof(super).x
;