STATIC void indirect_map_clean_kids(pTHX_ const OP *o) {
#define indirect_map_clean_kids(O) indirect_map_clean_kids(aTHX_ (O))
if (o->op_flags & OPf_KIDS) {
- const OP *kid = cUNOPo->op_first;
+ const OP *kid = ((const UNOP *) o)->op_first;
for (; kid; kid = kid->op_sibling) {
indirect_map_clean_kids(kid);
indirect_map_delete(kid);