src/http/modules/ngx_http_try_files_module.c:212: error: Integer Overflow L2
  ([0, -1+max(1, `r->uri_changes`)] - 1):unsigned32 by call to `ngx_http_finalize_request`.

src/http/modules/ngx_http_try_files_module.c:78:1: Parameter `r->uri_changes`
76. 
77. 
78. static ngx_int_t
    ^
79. ngx_http_try_files_handler(ngx_http_request_t *r)
80. {

src/http/modules/ngx_http_try_files_module.c:204:24: Call
202. 
203.             if (path.data[0] == '@') {
204.                 (void) ngx_http_named_location(r, &path);
                            ^
205. 
206.             } else {

src/http/ngx_http_core_module.c:2432:1: Parameter `r->uri_changes`
  2430. 
  2431. 
  2432. ngx_int_t
        ^
  2433. ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name)
  2434. {

src/http/ngx_http_core_module.c:2440:5: Assignment
  2438. 
  2439.     r->main->count++;
  2440.     r->uri_changes--;
            ^
  2441. 
  2442.     if (r->uri_changes == 0) {

src/http/modules/ngx_http_try_files_module.c:212:13: Call
210.             }
211. 
212.             ngx_http_finalize_request(r, NGX_DONE);
                 ^
213.             return NGX_DONE;
214.         }

src/http/ngx_http_request.c:2300:1: Parameter `r->uri_changes`
  2298. 
  2299. 
  2300. void
        ^
  2301. ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
  2302. {

src/http/ngx_http_request.c:2338:13: Call
  2336.         || c->error)
  2337.     {
  2338.         if (ngx_http_post_action(r) == NGX_OK) {
                    ^
  2339.             return;
  2340.         }

src/http/ngx_http_request.c:3384:1: Parameter `r->uri_changes`
    3382. 
    3383. 
    3384. static ngx_int_t
          ^
    3385. ngx_http_post_action(ngx_http_request_t *r)
    3386. {

src/http/ngx_http_request.c:3411:9: Call
    3409. 
    3410.     if (clcf->post_action.data[0] == '/') {
    3411.         ngx_http_internal_redirect(r, &clcf->post_action, NULL);
                  ^
    3412. 
    3413.     } else {

src/http/ngx_http_core_module.c:2377:1: <LHS trace>
2375. 
2376. 
2377. ngx_int_t
      ^
2378. ngx_http_internal_redirect(ngx_http_request_t *r,
2379.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2377:1: Parameter `r->uri_changes`
      2375. 
      2376. 
      2377. ngx_int_t
            ^
      2378. ngx_http_internal_redirect(ngx_http_request_t *r,
      2379.     ngx_str_t *uri, ngx_str_t *args)

src/http/ngx_http_core_module.c:2383:5: Binary operation: ([0, -1+max(1, r->uri_changes)] - 1):unsigned32 by call to `ngx_http_finalize_request` 
      2381.     ngx_http_core_srv_conf_t  *cscf;
      2382. 
      2383.     r->uri_changes--;
                ^
      2384. 
      2385.     if (r->uri_changes == 0) {
