2005-12-15  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (okay_component_ref_for_subvars): Remove.
	(get_ref_base_and_extent): Declare.
	* tree-dfa.c (okay_component_ref_for_subvars): Remove.
	(get_ref_base_and_extent): New function.
	* tree-ssa-alias.c (find_used_portions): Use it.
	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.

From-SVN: r108568