/* Create hash table for faster key lookup. */
hash = hash_ops(op, num_ops, num);
+ /* Now handle the hard cases: same serial number. */
+ sort_ops(hash, filename, op);
+
/* We make the naive assumption that two ops on the same key
* have to be ordered; it's overkill. */
for (i = 0; i < total_keys * 2; i++) {