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/* { dg-do assemble } */

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

extern void abort (void);

enum

{

  __GCONV_OK = 0,

  __GCONV_NOCONV,

  __GCONV_NODB,

  __GCONV_NOMEM,

  __GCONV_EMPTY_INPUT,

  __GCONV_FULL_OUTPUT,

  __GCONV_ILLEGAL_INPUT,

  __GCONV_INCOMPLETE_INPUT,

  __GCONV_ILLEGAL_DESCRIPTOR,

  __GCONV_INTERNAL_ERROR

};

int

foo (int result)

{

  int irreversible = 0;

  switch (result)

    {

    case __GCONV_ILLEGAL_INPUT:

      irreversible = -1L;

      break;

    case __GCONV_FULL_OUTPUT:

      irreversible = -2L;

      break;

    case __GCONV_INCOMPLETE_INPUT:

      irreversible = -3L;

      break;

    case __GCONV_EMPTY_INPUT:

    case __GCONV_OK:

      break;

    default:

      abort ();

    }

  return irreversible;

}