2014-08-15  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (readonly_id): Rename to string_id.
	(get_constraint_for_ssa_var): Remove dead code.
	(get_constraint_for_1): Adjust.
	(find_what_var_points_to): Likewise.
	(init_base_vars): Likewise.  STRING_CSTs do not contain pointers.

From-SVN: r214020