New codegen failing test-cases

[Edward Z. Yang]

Excerpts from Simon Peyton-Jones's message of Fri Jan 14 03:12:40 -0500 2011:
> What's preventing us merging all this into the HEAD?  (But still not using
> the new codegen path for real.)  It'd mean we take a dependency on Hoopl, but
> that's ok; it's just Darcs repo.

We should be able to do that. I guess I should run validate on my tree before
pushing the patch to you guys.

Cheers,
Edward