/* Look for matching sequences at the head and tail of the two blocks,
and limit the range of insns to be converted if possible. */
n_matching = flow_find_cross_jump (then_bb, else_bb,
- &then_first_tail, &else_first_tail);
+ &then_first_tail, &else_first_tail,
+ NULL);
if (then_first_tail == BB_HEAD (then_bb))
then_start = then_end = NULL_RTX;
if (else_first_tail == BB_HEAD (else_bb))