gcc/testsuite/gcc.dg/pr84670-4.c

   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 }