new SSA IL

Stephen Weeks
Tue, 7 Aug 2001 22:09:41 -0700

> I'm not sure what you mean by this.  I think there are enough variantes in
> Exp.t and Transfer.t that don't require a Var.t vector.

OK.  It just costs some space and time, e.g. an extra dispatch when doing a
foreachVar.  I am in agreement that we should leave it as is.