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/* Copyright (C) 2000 Free Software Foundation */

/* by Alexandre Oliva  <aoliva@redhat.com> */

enum foo { FOO, BAR };

/* Even though the underlying type of an enum is unspecified, the type

   of enumeration constants is explicitly defined as int (6.4.4.3/2 in

   the C99 Standard).  Therefore, `i' must not be promoted to

   `unsigned' in the comparison below; we must exit the loop when it

   becomes negative. */

int

main ()

{

  int i;

  for (i = BAR; i >= FOO; --i)

    if (i == -1)

      abort ();

  exit (0);

}