CvROOT(PL_compcv) = (OP *)1;
o = newFOROP(0, 0, newOP(OP_PUSHMARK, 0), 0, 0);
#ifdef PERL_OP_PARENT
- if (cLOOPx(cUNOPo->op_first)->op_last->op_sibling
+ if (cLOOPx(cUNOPo->op_first)->op_last->op_sibparent
!= cUNOPo->op_first)
{
Perl_warn(aTHX_ "Op parent pointer is stale");