#define OPpENTERSUB_DB 16 /* Debug subroutine. */
/* OP_RV2CV only */
#define OPpENTERSUB_AMPER 8 /* Used & form to call. */
+#define OPpENTERSUB_NOPAREN 128 /* bare sub call (without parens) */
/* OP_?ELEM only */
#define OPpLVAL_DEFER 16 /* Defer creation of array/hash elem */
/* for OP_RV2?V, lower bits carry hints */