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

extern void link_error (void);

void bar0 (int * __restrict__ arr1, int * __restrict__ arr2)
{
  arr1[0] = 1;
  arr2[0] = 1;
  if (arr1[0] != 1)
    link_error ();
}

int main()
{
  return 0;
}

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