src/http/modules/ngx_http_map_module.c:530: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64.

src/http/modules/ngx_http_map_module.c:393:9: <LHS trace>
391.     }
392. 
393.     if (ngx_strcmp(value[0].data, "include") == 0) {
             ^
394.         file = value[1];
395. 

src/http/modules/ngx_http_map_module.c:393:9: Unknown value from: strcmp
391.     }
392. 
393.     if (ngx_strcmp(value[0].data, "include") == 0) {
             ^
394.         file = value[1];
395. 

src/http/modules/ngx_http_map_module.c:524:9: Assignment
522.         }
523. 
524.         value[0].len--;
             ^
525.         value[0].data++;
526. 

src/http/modules/ngx_http_map_module.c:530:13: Binary operation: ([0, +oo] - 1):unsigned64
528. 
529.         if (value[0].data[0] == '*') {
530.             value[0].len--;
                 ^
531.             value[0].data++;
532.             rc.options = NGX_REGEX_CASELESS;
