Hi,

At Sat, 4 Jun 2011 01:33:38 +0900,
Roger Pack wrote in [ruby-core:36721]:
> just ran into this, as well
> 
> https://gist.github.com/1006162
> 
> If there's a work around do let us know :)

rb_class_superclass() since 1.4.0.

-- 
Nobu Nakada