server/mpm/event/fdqueue.c:466: error: INTEGER_OVERFLOW_L2
  ([0, `queue->nelts`] - 1):unsigned32.

server/mpm/event/fdqueue.c:424:1: <LHS trace>
422.  * 'sd'.
423.  */
424. apr_status_t ap_queue_pop_something(fd_queue_t * queue, apr_socket_t ** sd,
     ^
425.                                     event_conn_state_t ** ecs, apr_pool_t ** p,
426.                                     timer_event_t ** te_out)

server/mpm/event/fdqueue.c:424:1: Parameter `queue->nelts`
422.  * 'sd'.
423.  */
424. apr_status_t ap_queue_pop_something(fd_queue_t * queue, apr_socket_t ** sd,
     ^
425.                                     event_conn_state_t ** ecs, apr_pool_t ** p,
426.                                     timer_event_t ** te_out)

server/mpm/event/fdqueue.c:466:9: Binary operation: ([0, queue->nelts] - 1):unsigned32
464.         if (queue->out >= queue->bounds)
465.             queue->out -= queue->bounds;
466.         queue->nelts--;
             ^
467.         *sd = elem->sd;
468.         *ecs = elem->ecs;
