https://github.com/bitcoin/bitcoin/blob/68f3c7eb080e461cfeac37f8db7034fe507241d0/src/prevector.h#L152-L158

I'm opening an issue as its fix is too tiny to become a pull request.

Can be solved by renaming the struct to
```c
     struct indirect_contents { 
         size_type capacity; 
         char* indirect; 
     }; 
```
bool fReplacementOptOut = true;
                for (const CTxIn &_txin : ptxConflicting->vin)
                {
                    if (_txin.nSequence <= MAX_BIP125_RBF_SEQUENCE)
                    {
                        fReplacementOptOut = false;
                        break;
                    }
                }
                if (fReplacementOptOut) {
                    return state.Invalid(TxValidationResult::TX_MEMPOOL_POLICY, "txn-mempool-conflict");
                }
                setConflicts.insert(ptxConflicting->GetHash());
            }
        }
    }
    LockPoints lp;
    m_view.SetBackend(m_viewmempool);
    CCoinsViewCache& coins_cache = ::ChainstateActive().CoinsTip();
    
    for (const CTxIn& txin : tx.vin) {
        if (!coins_cache.HaveCoinInCache(txin.prevout)) {