DRR_FLAG_SPILL_BLOCK
if (!(flags & DRR_FLAG_SPILL_BLOCK))
if (!(drrb->drr_flags & DRR_FLAG_SPILL_BLOCK))
if (drc->drc_drrb->drr_flags & DRR_FLAG_SPILL_BLOCK)
drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_SPILL_BLOCK;