server/util_expr_eval.c:372: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `ap_expr_yyparse`.

server/util_expr_eval.c:370:5: Call
368.     ctx.at_start    = 1;
369. 
370.     ap_expr_yylex_init(&ctx.scanner);
         ^
371.     ap_expr_yyset_extra(&ctx, ctx.scanner);
372.     rc = ap_expr_yyparse(&ctx);

server/util_expr_scan.c:2514:12: Call
  2512.     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
  2513. 
  2514.     return yy_init_globals ( *ptr_yy_globals );
                   ^
  2515. }
  2516. 

server/util_expr_scan.c:2562:5: Assignment
    2560.     yyg->yy_buffer_stack = 0;
    2561.     yyg->yy_buffer_stack_top = 0;
    2562.     yyg->yy_buffer_stack_max = 0;
              ^
    2563.     yyg->yy_c_buf_p = (char *) 0;
    2564.     yyg->yy_init = 0;

server/util_expr_eval.c:372:10: Call
370.     ap_expr_yylex_init(&ctx.scanner);
371.     ap_expr_yyset_extra(&ctx, ctx.scanner);
372.     rc = ap_expr_yyparse(&ctx);
              ^
373.     ap_expr_yylex_destroy(ctx.scanner);
374.     if (ctx.error) {

server/util_expr_parse.c:1246:1: Parameter `ctx->scanner->yy_buffer_stack_max`
  1244. #if (defined __STDC__ || defined __C99__FUNC__ \
  1245.      || defined __cplusplus || defined _MSC_VER)
  1246. int
        ^
  1247. yyparse (ap_expr_parse_ctx_t *ctx)
  1248. #else

server/util_expr_parse.c:1427:16: Call
  1425.     {
  1426.       YYDPRINTF ((stderr, "Reading a token: "));
  1427.       yychar = YYLEX;
                       ^
  1428.     }
  1429. 

server/util_expr_scan.c:852:1: Parameter `yyscanner->yy_buffer_stack_max`
    850. /** The main scanner function which does all the work.
    851.  */
    852. YY_DECL
         ^
    853. {
    854. 	register yy_state_type yy_current_state;

server/util_expr_scan.c:907:4: Call
    905. 
    906. 		if ( ! YY_CURRENT_BUFFER ) {
    907. 			ap_expr_yyensure_buffer_stack (yyscanner);
            ^
    908. 			YY_CURRENT_BUFFER_LVALUE =
    909. 				ap_expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);

server/util_expr_scan.c:2159:1: <LHS trace>
2157.  *  Guarantees space for at least one push.
2158.  */
2159. static void ap_expr_yyensure_buffer_stack (yyscan_t yyscanner)
      ^
2160. {
2161. 	int num_to_alloc;

server/util_expr_scan.c:2159:1: Parameter `yyscanner->yy_buffer_stack_max`
      2157.  *  Guarantees space for at least one push.
      2158.  */
      2159. static void ap_expr_yyensure_buffer_stack (yyscan_t yyscanner)
            ^
      2160. {
      2161. 	int num_to_alloc;

server/util_expr_scan.c:2184:6: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ap_expr_yyparse` 
      2182. 	}
      2183. 
      2184. 	if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
                 ^
      2185. 
      2186. 		/* Increase the buffer to prepare for a possible push. */
