1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fwrapv" } */
       3  /* { dg-require-effective-target ptr_eq_long } */
       4  
       5  char *a;
       6  int b(void)
       7  {
       8    long d;
       9    if (a) {
      10        char c;
      11        while ((c = *a) && !((unsigned)c - '0' <= 9) && c != ',' && c != '-'
      12  	     && c != '+')
      13  	++a;
      14        d = (long)a;
      15    }
      16    if (*a)
      17      return d;
      18  }