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struct rtx_def

{

  int code;

};

main()

{

  int tmp[2];

  struct rtx_def *r, s;

  int *p, *q;

  /* The alias analyzer was creating the same memory tag for r, p and q

     because 'struct rtx_def *' is type-compatible with 'int *'.  However,

     the alias set of 'int[2]' is not the same as 'int *', so variable

     'tmp' was deemed not aliased with anything.  */

  r = &s;

  r->code = 39;

  /* If 'r' wasn't declared, then q and tmp would have had the same memory

     tag.  */

  p = tmp;

  q = p + 1;

  *q = 0;

  tmp[1] = 39;

  if (*q != 39)

    abort ();

  exit (0);

}