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/* { dg-do run } */

/* { dg-options "-fdump-tree-alias" } */

/* { dg-skip-if "" { *-*-* } { "-O0" "-fno-fat-lto-objects" } { "" } } */

typedef __PTRDIFF_TYPE__ intptr_t;

int i;

void __attribute__((noinline))

foo(long b, intptr_t q)

{

  int *y;

  int **a = &y, **x;

  int ***p;

  if (b)

    p = (int ***)q;

  else

    p = &a;

  x = *p;

  *x = &i;  /* *ANYTHING = &i has to make sure that y points to i.  */

  *y = 0;

}

extern void abort (void);

int main()

{

  i = 1;

  foo (0, 0);

  if (i != 0)

    abort ();

  return 0;

}

/* { dg-final { scan-tree-dump "y.._., points-to vars: { i }" "alias" } } */

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