private static int packFieldFlags(int access) {
    int flags = packCommonFlags(access);
    if (isSet(access, Opcodes.ACC_VOLATILE)) flags |= ModifierFlags.VOLATILE_MASK;
    if (isSet(access, Opcodes.ACC_TRANSIENT)) flags |= ModifierFlags.TRANSIENT_MASK;
    return flags;
  }
private static int packFieldFlags(int access)