Using master. During startup, if you open `Window` -> `Console` and try and execute any command (can be garbage) `bitcoin-qt` will crash:
```bash
On branch pull/16118/local-merge

Process 89287 launched: '/Users/michael/github/bitcoin/src/qt/bitcoin-qt' (x86_64)
2019-05-29 09:57:56.276746-0400 bitcoin-qt[89287:939924] MessageTracer: Falling back to default whitelist
Process 89287 stopped
* thread #1, name = 'bitcoin-main', queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x8)
    frame #0: 0x00000001015158ba QtWidgets`QCompleter::popup() const + 10
QtWidgets`QCompleter::popup:
->  0x1015158ba <+10>: movq   0x8(%rdi), %rbx
    0x1015158be <+14>: movq   0x88(%rbx), %rax
    0x1015158c5 <+21>: testq  %rax, %rax
    0x1015158c8 <+24>: jne    0x101515942               ; <+146>
Target 0: (bitcoin-qt) stopped.
```

Not sure if just disabling the menu, like in #16118 would be ok, as a user might actually want to be able to run a command.
fReselect = true;
        }
        // g
        stats = clientModel->getPeerTableModel()->getNodeStats(detailNodeRow);
    }
    if (fUnselect && selectedRow >= 0) {
        clearSelectedNode();
    }
    if (fReselect)
    {
        for(int i = 0; i < cachedNodeids.size(); i++)
        {
            ui->peerWidget->selectRow(clientModel->getPeerTableModel()->getRowByNodeId(cachedNodeids.at(i)));
        }
    }
    if (stats)
        updateNodeDetail(stats);
}
void RPCConsole::updateNodeDetail(const CNodeCombinedStats *stats)
{
    // u
    QString peerAddrDetails(QString::fromStdString(stats->nodeStats.addrName) + " ");
    peerAddrDetails += tr("(node id: %1)").arg(QString::number(stats->nodeStats.nodeid));
    if (!stats->nodeStats.addrLocal.empty())
        peerAddrDetails += "<br />" + tr("via %1").arg(QString::fromStdString(stats->nodeStats.addrLocal));
    ui->peerHeading->setText(peerAddrDetails);
    ui->peerServices->setText(GUIUtil::formatServicesStr(stats->nodeStats.nServices));
    ui->peerLastSend->setText(stats->nodeStats.nLastSend ? GUIUtil::formatDurationStr(GetSystemTimeInSeconds() - stats->nodeStats.nLastSend) : tr("never"));
    ui->peerLastRecv->setText(stats->nodeStats.nLastRecv ? GUIUtil::formatDurationStr(GetSystemTimeInSeconds() - stats->nodeStats.nLastRecv) : tr("never"));
    ui->peerBytesSent->setText(GUIUtil::formatBytes(stats->nodeStats.nSendBytes));