12257 resync smatch to 0.6.1-rc1-il-4

*** 1604,1613 ****
--- 1604,1633 ----
              !rl_to_sval(rl, sval))
                  return 0;
          return 1;
  }
  
+ int get_implied_value_fast(struct expression *expr, sval_t *sval)
+ {
+         struct range_list *rl;
+         static int recurse;
+         int ret = 0;
+ 
+         if (recurse)
+                 return 0;
+ 
+         recurse = 1;
+         set_fast_math_only();
+         if (get_rl_helper(expr, RL_IMPLIED, &rl) &&
+             rl_to_sval(rl, sval))
+                 ret = 1;
+         clear_fast_math_only();
+         recurse = 0;
+ 
+         return ret;
+ }
+ 
  int get_implied_min(struct expression *expr, sval_t *sval)
  {
          struct range_list *rl;
  
          if (!get_rl_helper(expr, RL_IMPLIED, &rl) || !rl)