server/util.c:2625: error: INTEGER_OVERFLOW_L2
  ([0, 2055] - 1):unsigned64.

server/util.c:2581:1: <LHS trace>
2579. }
2580. 
2581. AP_DECLARE(void) ap_varbuf_grow(struct ap_varbuf *vb, apr_size_t new_len)
      ^
2582. {
2583.     apr_memnode_t *new_node = NULL;

server/util.c:2581:1: Parameter `new_len`
2579. }
2580. 
2581. AP_DECLARE(void) ap_varbuf_grow(struct ap_varbuf *vb, apr_size_t new_len)
      ^
2582. {
2583.     apr_memnode_t *new_node = NULL;

server/util.c:2602:5: Assignment
2600.     }
2601. 
2602.     new_len++;  /* add space for trailing \0 */
          ^
2603.     if (new_len <= VARBUF_SMALL_SIZE) {
2604.         new_len = APR_ALIGN_DEFAULT(new_len);

server/util.c:2604:9: Assignment
2602.     new_len++;  /* add space for trailing \0 */
2603.     if (new_len <= VARBUF_SMALL_SIZE) {
2604.         new_len = APR_ALIGN_DEFAULT(new_len);
              ^
2605.         new = apr_palloc(vb->pool, new_len);
2606.         if (vb->avail && vb->strlen != 0) {

server/util.c:2625:9: Binary operation: ([0, 2055] - 1):unsigned64
2623.             *new = '\0';
2624.         }
2625.         vb->avail = new_len - 1;
              ^
2626.         vb->buf = new;
2627.         return;
