* tree-ssa-alias.c (fieldoff_t): Remove.
	(fieldoff_s): typedef the structure itself.  Create a vector of
	objects.
	(push_fields_onto_fieldstack): Return count of fields pushed.
	Remove peeling of first field.  Adjust.
	(fieldoff_compare): Adjust.
	(create_overlap_variables_for): Adjust.

From-SVN: r98723