re PR tree-optimization/22071 (ICE in first_vi_for_offset, at tree-ssa-structalias.c:2506)

2005-06-29  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22071

	* tree-ssa-structalias.c (offset_overlaps_with_access): New
	function.
	(get_constraint_for_component_ref): Use it.

From-SVN: r101516