+ register SV* sv = NULL;
+ bool defined = FALSE;
+ const int op_type = PL_op->op_type;
+
+ if(op_type == OP_DOR || op_type == OP_DORASSIGN) {
+ sv = TOPs;
+ if (!sv || !SvANY(sv)) {
+ if (op_type == OP_DOR)
+ --SP;
+ RETURNOP(cLOGOP->op_other);
+ }
+ } else if (op_type == OP_DEFINED) {
+ sv = POPs;
+ if (!sv || !SvANY(sv))
+ RETPUSHNO;
+ } else
+ DIE(aTHX_ "panic: Invalid op (%s) in pp_defined()", OP_NAME(PL_op));