break_tag_p(struct RBreak *brk, uint32_t tag)
{
  return (brk != NULL && brk->tt == MRB_TT_BREAK) ? TRUE : FALSE;
}
break_tag_p(struct RBreak *brk, uint32_t tag)
{
  return (brk != NULL && brk->tt == MRB_TT_BREAK) ? TRUE : FALSE;
}