Bug #29185 Large IN list crashes mysqld with cluster and condition pushdown

  { 

    if (ndb_item) delete ndb_item; 

    ndb_item= NULL;

    if (next) delete next;

    /*

      First item in the linked list deletes all in a loop

      Note - doing it recursively causes stack issues for

      big IN clauses

    */

    if (prev != NULL)

    {

      next= prev= NULL;

      return;

    }

    Ndb_cond *n= next;

    while (n)

    {

      Ndb_cond *tmp= n;

      n= n->next;

      delete tmp;

    }

    next= prev= NULL; 

  };

  Ndb_item *ndb_item;