/* { dg-do link } */
/* { dg-options "-O -fdump-tree-optimized" } */

extern void link_error(void);
int i;
int main()
{
  int a[4];
  if ((char*)&a[1] + __SIZEOF_INT__*i + __SIZEOF_INT__ != (char*)&a[i+2])
    link_error();
  return 0;
}

/* { dg-final { scan-tree-dump-not "link_error" "optimized" } } */