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/* Bombed with a segfault on powerpc-linux.  doloop.c generated wrong

   loop count.  */

void

foo (unsigned long *start, unsigned long *end)

{

  unsigned long *temp = end - 1;

  while (end > start)

    *end-- = *temp--;

}

int

main (void)

{

  unsigned long a[5];

  int start, end, k;

  for (start = 0; start < 5; start++)

    for (end = 0; end < 5; end++)

      {

        for (k = 0; k < 5; k++)

          a[k] = k;

        foo (a + start, a + end);

        for (k = 0; k <= start; k++)

          if (a[k] != k)

            abort ();

        for (k = start + 1; k <= end; k++)

          if (a[k] != k - 1)

            abort ();

        for (k = end + 1; k < 5; k++)

          if (a[k] != k)

            abort ();

      }

  return 0;

}