src/http/modules/ngx_http_upstream_ip_hash_module.c:258: error: Uninitialized Value
  The value read from m was never initialized.

src/http/modules/ngx_http_upstream_ip_hash_module.c:258:5: 
256.     ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);
257. 
258.     iphp->rrp.tried[n] |= m;
         ^
259.     iphp->hash = hash;
260. 
