2006-10-20  Daniel Berlin  <dberlin@dberlin.org>

	* tree.h (DECL_PTA_ARTIFICIAL): Remove.
	(tree_decl_with_vis): Remove artificial_pta_var flag.
	* tree-flow.h (referenced_var_check_and_insert): Expose.
	(nonlocal_all): New prototype.
	* tree-ssa-structalias.c (nonlocal_for_type): Remove.
	(nonlocal_all): Make global.
	(nonlocal_lookup): Remove.
	(nonlocal_insert): Ditto.
	(create_nonlocal_var): Do not call nonlocal_insert.
	(get_nonlocal_id_for_type): Remove.
	(find_global_initializers): Mark new vars we find for renaming.
	(intra_create_variable_infos): Only create one nonlocal.
	(expand_nonlocal_solutions): Remove.
	(compute_points_to_sets): Don't call it.
	(ipa_pta_execute): Ditto.
	(init_alias_heapvars): Don't create nonlocal_for_type.
	(delete_alias_heapvars): Don't remove it.
	* tree-ssa-operands.c (access_can_touch_variable): Don't prune
	nonlocal_all.

From-SVN: r117922