p4raw-id: //depot/perl@8430
True if this op will be the return value of an lvalue subroutine
=cut */
-#define LVRET ((PL_op->op_private & OPpMAYBE_LVSUB) && Perl_is_lvalue_sub())
+#define LVRET ((PL_op->op_private & OPpMAYBE_LVSUB) && Perl_is_lvalue_sub(aTHX))