```
wallet/scriptpubkeyman.cpp: In member function ‘virtual bool LegacyScriptPubKeyMan::Upgrade(int, bilingual_str&)’:
wallet/scriptpubkeyman.cpp:455:55: warning: logical ‘and’ applied to non-boolean constant [-Wlogical-op]
  455 |     if (m_storage.CanSupportFeature(FEATURE_HD_SPLIT) && CHDChain::VERSION_HD_CHAIN_SPLIT) {
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  CXX      wallet/libbitcoin_wallet_a-wallet.o
```
```
$ gcc --version
gcc (Gentoo 9.2.0-r2 p3) 9.2.0
```
Related - #19015.
{
    LOCK(cs_KeyStore);
    assert(m_max_keypool_index < std::numeric_limits<int64_t>::max()); 
    int64_t index = ++m_max_keypool_index;
    if (!batch.WritePool(index, CKeyPool(pubkey, internal))) {
        throw std::runtime_error(std::string(__func__) + ": writing imported pubkey failed");
    }
    if (internal) {
        setInternalKeyPool.insert(index);
    } else {
        setExternalKeyPool.insert(index);
    }
    m_pool_key_to_index[pubkey.GetID()] = index;
}
void LegacyScriptPubKeyMan::KeepDestination(int64_t nIndex, const OutputType& type)
{
    
    WalletBatch batch(m_storage.GetDatabase());
    batch.ErasePool(nIndex);
    CPubKey pubkey;
    bool have_pk = GetPubKey(m_index_to_reserved_key.at(nIndex), pubkey);
    assert(have_pk);
    LearnRelatedScripts(pubkey, type);
    m_index_to_reserved_key.erase(nIndex);
    WalletLogPrintf("keypool keep %d\n", nIndex);
}
void LegacyScriptPubKeyMan::ReturnDestination(int64_t nIndex, bool fInternal, const CTxDestination&)