extern void redirect_edge_var_map_add (edge, tree, tree, source_location);
extern void redirect_edge_var_map_clear (edge);
extern void redirect_edge_var_map_dup (edge, edge);
-extern edge_var_map_vector *redirect_edge_var_map_vector (edge);
+extern vec<edge_var_map> *redirect_edge_var_map_vector (edge);
extern void redirect_edge_var_map_destroy (void);
extern edge ssa_redirect_edge (edge, basic_block);
extern void flush_pending_stmts (edge);