2007-07-28  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in (tree-ssa-alias.o): Add alloc-pool.h

	* tree-ssa-alias.c: Add alloc-pool.h.
	(init_alias_info): Free alias_bitmap_obstack.
	(delete_alias_info): Call delete_mem_ref_stats.
	(get_mem_sym_stats_for): Use alloc_pool.
	(init_mem_ref_stats): Do not delete mem_ref_stats here.
	(delete_mem_sym_stats): Removed.

From-SVN: r127050