if (NULL != pset_find(dvg->edges, &key, HASH_RSS_EDGE(&key))) {
/* add the edge to the DVG */
dvg_edge = obstack_alloc(phase_obst(&rss->ph), sizeof(*dvg_edge));
if (NULL != pset_find(dvg->edges, &key, HASH_RSS_EDGE(&key))) {
/* add the edge to the DVG */
dvg_edge = obstack_alloc(phase_obst(&rss->ph), sizeof(*dvg_edge));