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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-optimized" } */

int g1(int);

int h(int *a, int *b)__attribute__((pure));

void link_error();

/* The calls to link_error should be eliminated, since nothing escapes to

   non-pure functions.  */

int g(void)

{

  int t = 0, t1 = 2;

  /* ???  That's not true.  The pointers escape to the integer return

     value which we do not track in PTA.  */

  int t2 = h(&t, &t1);

  if (t != 0)

    link_error ();

  if (t1 != 2)

    link_error ();

  /* ???  And it would finally escape here even if we did.  */

  g1(t2);

  if (t != 0)

    link_error ();

  if (t1 != 2)

    link_error ();

  return t2 == 2;

}

/* We are allowed to optimize the first two link_error calls.  */

/* { dg-final { scan-tree-dump-times "link_error" 2 "optimized" } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */