extern bool ref_maybe_used_by_stmt_p (gimple, tree);
extern bool stmt_may_clobber_ref_p (gimple, tree);
extern bool stmt_may_clobber_ref_p_1 (gimple, ao_ref *);
+extern bool call_may_clobber_ref_p (gimple, tree);
extern tree get_continuation_for_phi (gimple, ao_ref *, bitmap *);
extern void *walk_non_aliased_vuses (ao_ref *, tree,
void *(*)(ao_ref *, tree, void *),
struct pt_solution *);
extern void pt_solution_reset (struct pt_solution *);
extern void pt_solution_set (struct pt_solution *, bitmap, bool, bool);
+extern void pt_solution_set_var (struct pt_solution *, tree);
+
extern void dump_pta_stats (FILE *);
extern GTY(()) struct pt_solution ipa_escaped_pt;