tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in head comment.

tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in head comment.

	* tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in
	head comment.
	(array_ref_element_size): Likewise.
	(array_ref_low_bound): Likewise.
	(array_ref_up_bound): Likewise.
	* expr.c (contains_packed_reference): Likewise.
	(array_ref_element_size): Likewise.
	(array_ref_low_bound): Likewise.
	(array_ref_up_bound): Likewise.
	* tree-ssa-loop-ivopts.c (idx_contains_abnormal_ssa_name_p): Deal
	with ARRAY_RANGE_REF.
	(idx_find_step): Likewise.
	(idx_record_use): Likewise.
	(strip_offset_1): Likewise.
	(idx_remove_ssa_names): Likewise.

From-SVN: r141065