gcc/testsuite/gcc.c-torture/execute/20071011-1.c

   1 extern void abort(void);
   2 void foo(int *p)
   3 {
   4   int x;
   5   int y;
   6   x = *p;
   7   *p = 0;
   8   y = *p;
   9   if (x != y)
  10     return;
  11   abort ();
  12 }
  13
  14 int main()
  15 {
  16   int a = 1;
  17   foo(&a);
  18   return 0;
  19 }