when creation of new threads needs to duplicate the re struct)
p4raw-id: //depot/perl@17383
Copy(r->offsets, ret->offsets, 2*len+1, U32);
ret->precomp = SAVEPV(r->precomp);
- ret->refcnt = 1;
+ ret->refcnt = r->refcnt;
ret->minlen = r->minlen;
ret->prelen = r->prelen;
ret->nparens = r->nparens;