gcc/testsuite/gcc.c-torture/execute/pr24851.c

   1 /* We used to handle pointer addition wrongly
   2    at the time of recombining to an ARRAY_REF
   3    in the case of
   4      p + -4B
   5    where -4B is represented as unsigned.  */
   6
   7 void abort(void);
   8 int main()
   9 {
  10   int a[10], *p, *q;
  11   q = &a[1];
  12   p = &q[-1];
  13   if (p >= &a[9])
  14     abort ();
  15   return 0;
  16 }
  17