RE: interactive co-recursion

> I've no idea if the following is supposed to work, but the message
> tells me to report it, so here it is.  Happens for all attempts to
> define co-recursive functions, this is just the simplest example.
> 
>   Prelude> let { f = g ; g = f}
>   ghc-6.0: panic! (the `impossible' happened, GHC version 6.0):
>         getLinkDeps No iface for [<pkg>]DataziTuple
>  
>   Please report it as a compiler bug to 
> glasgow-haskell-bugs@xxxxxxxxxxx,
>   or http://sourceforge.net/projects/ghc/.

I think this is an instance of a bug that was fixed in 6.0.1.  Please
upgrade and try again.

Cheers,
        Simon