genjmp(codegen_scope *s, mrb_code i, uint32_t pc)
{
  uint32_t pos;

  genop_0(s, i);
  pos = s->pc;
  gen_jmpdst(s, pc);
  return pos;
}
genjmp(codegen_scope *s, mrb_code i, uint32_t pc)
{
  uint32_t pos;

  genop_0(s, i);
  pos = s->pc;
  gen_jmpdst(s, pc);
  return pos;
}