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

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