2006-06-20  Richard Guenther  <rguenther@suse.de>
	Michael Matz  <matz@suse.de>

	* alloc-pool.h (free_alloc_pool_if_empty): Prototype new
	function.
	* alloc-pool.c (free_alloc_pool_if_empty): New function.
	* et-forest.h (et_free_pools): Prototype new function.
	* et-forest.c (et_free_tree_force): Free parent occurrence. 
	(et_free_pools): New function.
	* dominance.c (free_dominance_info): Free et-forest alloc
	pools.

Co-Authored-By: Michael Matz <matz@suse.de>

From-SVN: r114817