MiniJavaInScala/mjis — pull request #229 by Kha (2014-12-21 23:46:38+00:00)
Title: Eliminate ExtendedInt and Iu

How did we ever put up with this.

Real goal was to get rid of all `Conv` nodes, but of course there will always be some from `Sel` lowering. Well, at least fixed two Typer bugs.