place transformed StackParam nodes in the user Block
[libfirm] / ir / be / becopyheur.c
index 941c05b..a859c58 100644 (file)
@@ -582,6 +582,8 @@ int co_solve_heuristic(copy_opt_t *co) {
        unit_t *curr;
        dbg = firm_dbg_register("ir.be.copyoptheur");
 
+       ASSERT_OU_AVAIL(co);
+
        pinned_global = pset_new_ptr(SLOTS_PINNED_GLOBAL);
        list_for_each_entry(unit_t, curr, &co->units, units)
                if (curr->node_count > 1)