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/* { dg-do run { target fpic } } */

/* { dg-options "-O2 -fPIC" } */

static int heap[2*(256 +1+29)+1];

static int heap_len;

static int heap_max;

void

__attribute__ ((noinline))

foo (int elems)

{

  int n, m;

  int max_code = -1;

  int node = elems;

  heap_len = 0, heap_max = (2*(256 +1+29)+1);

  for (n = 0; n < elems; n++)

    heap[++heap_len] = max_code = n;

  do {

    n = heap[1];

    heap[1] = heap[heap_len--];

    m = heap[1];

    heap[--heap_max] = n;

    heap[--heap_max] = m;

  } while (heap_len >= 2);

}

int

main ()

{

  foo (286);

  return 0;

}