NicolasPetton/amber — pull request #196 by herby (2012-05-10 12:26:38+00:00)
Title: Super call uses MethodClass.superclass

... instead of hardwiring SuperClassAtCompileTime.

I had to put `|| nil` at the end because `smalltalk.Object.superclass` is undefined. Should it be the case that `superclass` is always initialized (with `nil`), the `|| nil` could be omitted.