[tree-ssa] Small cleanup for dominator optimizers

[Diego Novillo]

On Wed, 2003-07-23 at 05:36, Steven Bosscher wrote:

> 	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Make
> 	found_unreachable a bool.  Create/delete hash tables for
> 	copies and available exprs outside the main loop.  Use
> 	htab_clean to whipe them after each iteration.
>                       ^^^^^
                        wipe

Looks OK.  Thanks.


Diego.