}
}
- node_map = malloc((get_irg_last_idx(co->irg) + 1) * sizeof(node_map[0]));
- inv_node_map = malloc((get_irg_last_idx(co->irg) + 1) * sizeof(inv_node_map[0]));
+ node_map = xmalloc((get_irg_last_idx(co->irg) + 1) * sizeof(node_map[0]));
+ inv_node_map = xmalloc((get_irg_last_idx(co->irg) + 1) * sizeof(inv_node_map[0]));
curr_idx = 0;
be_ifg_foreach_node(ifg, nodes_it, n) {