p4raw-id: //depot/perl@27791
/* No need to save/restore up to this paren */
I32 parenfloor = scan->flags;
- if (OP(PREVOPER(next)) == NOTHING) /* LONGJMP */
+ if (next && (OP(PREVOPER(next)) == NOTHING)) /* LONGJMP */
next += ARG(next);
/* XXXX Probably it is better to teach regpush to support
parenfloor > PL_regsize... */