src/http/modules/ngx_http_scgi_module.c:1871: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64.

src/http/modules/ngx_http_scgi_module.c:1866:30: <LHS trace>
1864.     u.no_resolve = 1;
1865. 
1866.     scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
                                   ^
1867.     if (scf->upstream.upstream == NULL) {
1868.         return NGX_CONF_ERROR;

src/http/modules/ngx_http_scgi_module.c:1866:30: Call
1864.     u.no_resolve = 1;
1865. 
1866.     scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
                                   ^
1867.     if (scf->upstream.upstream == NULL) {
1868.         return NGX_CONF_ERROR;

src/http/ngx_http_upstream.c:5978:13: Call
  5976.     if (!(flags & NGX_HTTP_UPSTREAM_CREATE)) {
  5977. 
  5978.         if (ngx_parse_url(cf->pool, u) != NGX_OK) {
                    ^
  5979.             if (u->err) {
  5980.                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,

src/core/ngx_inet.c:697:16: Call
    695. 
    696.     if (len && p[0] == '[') {
    697.         return ngx_parse_inet6_url(pool, u);
                        ^
    698.     }
    699. 

src/core/ngx_inet.c:1102:12: Call
      1100.     u->family = AF_INET6;
      1101. 
      1102.     return ngx_inet_add_addr(pool, u, &u->sockaddr.sockaddr, u->socklen, 1);
                       ^
      1103. 
      1104. #else

src/core/ngx_inet.c:1308:15: Call
        1306.         }
        1307. 
        1308.         len = ngx_sock_ntop(sa, socklen, p, len, 1);
                            ^
        1309. 
        1310.         addr = &u->addrs[u->naddrs++];

src/core/ngx_inet.c:260:9: Assignment
          258. 
          259.     default:
          260.         return 0;
                       ^
          261.     }
          262. }

src/core/ngx_inet.c:1308:9: Assignment
        1306.         }
        1307. 
        1308.         len = ngx_sock_ntop(sa, socklen, p, len, 1);
                      ^
        1309. 
        1310.         addr = &u->addrs[u->naddrs++];

src/core/ngx_inet.c:1315:9: Assignment
        1313.         addr->socklen = socklen;
        1314. 
        1315.         addr->name.len = len;
                      ^
        1316.         addr->name.data = p;
        1317.     }

src/http/modules/ngx_http_scgi_module.c:1871:27: Binary operation: ([0, +oo] - 1):unsigned64
1869.     }
1870. 
1871.     if (clcf->name.len && clcf->name.data[clcf->name.len - 1] == '/') {
                                ^
1872.         clcf->auto_redirect = 1;
1873.     }
