https://github.com/bitcoin/bitcoin/blob/9ad6f14175c19b5d47267c3dd5840c14bad43c83/src/validation.cpp#L3711

If i'm following right the flow of the code, when we hit this lane `pindex` should be always equal to nullptr thus this check may be omitted
{
    AssertLockHeld(cs_main);
    
    
    
    
    
    
    flags = std::max(flags, 0);
    
    
    
    
    
    
    const int nBlockHeight = ::ChainActive().Height() + 1;
    
    
    
    
    
    const int64_t nBlockTime = (flags & LOCKTIME_MEDIAN_TIME_PAST)
                             ? ::ChainActive().Tip()->GetMedianTimePast()
                             : GetAdjustedTime();
    return IsFinalTx(tx, nBlockHeight, nBlockTime);
}
bool TestLockPointValidity(const LockPoints* lp)