MEM_SAFE_FREE(ss->pmap);
  MEM_SAFE_FREE(ss->pmap_mem);
  if (need_pmap && ob->type == OB_MESH) {
    BKE_mesh_vert_poly_map_create(
        &ss->pmap, &ss->pmap_mem, me->mpoly, me->mloop, me->totvert, me->totpoly, me->totloop);
  }