src/http/modules/ngx_http_upstream_hash_module.c:283: error: Uninitialized Value
  The value read from m was never initialized.

src/http/modules/ngx_http_upstream_hash_module.c:283:5: 
281.     ngx_http_upstream_rr_peers_unlock(hp->rrp.peers);
282. 
283.     hp->rrp.tried[n] |= m;
         ^
284. 
285.     return NGX_OK;
