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.
ui->peerBytesRecv->setText(GUIUtil::formatBytes(stats->nodeStats.nRecvBytes));
    ui->peerConnTime->setText(GUIUtil::formatDurationStr(GetSystemTimeInSeconds() - stats->nodeStats.nTimeConnected));
    ui->peerPingTime->setText(GUIUtil::formatPingTime(stats->nodeStats.dPingTime));
    ui->peerPingWait->setText(GUIUtil::formatPingTime(stats->nodeStats.dPingWait));
    ui->peerMinPing->setText(GUIUtil::formatPingTime(stats->nodeStats.dMinPing));
    ui->timeoffset->setText(GUIUtil::formatTimeOffset(stats->nodeStats.nTimeOffset));
    ui->peerVersion->setText(QString("%1").arg(QString::number(stats->nodeStats.nVersion)));
    ui->peerSubversion->setText(QString::fromStdString(stats->nodeStats.cleanSubVer));
    ui->peerDirection->setText(stats->nodeStats.fInbound ? tr("Inbound") : tr("Outbound"));
    ui->peerHeight->setText(QString("%1").arg(QString::number(stats->nodeStats.nStartingHeight)));
    ui->peerWhitelisted->setText(stats->nodeStats.fWhitelisted ? tr("Yes") : tr("No"));
    // T
    // n
    if (stats->fNodeStateStatsAvailable) {
        // B
        ui->peerBanScore->setText(QString("%1").arg(stats->nodeStateStats.nMisbehavior));
        // S
        if (stats->nodeStateStats.nSyncHeight > -1)
            ui->peerSyncHeight->setText(QString("%1").arg(stats->nodeStateStats.nSyncHeight));
        else
            ui->peerSyncHeight->setText(tr("Unknown"));
        // C
        if (stats->nodeStateStats.nCommonHeight > -1)
            ui->peerCommonHeight->setText(QString("%1").arg(stats->nodeStateStats.nCommonHeight));
        else
            ui->peerCommonHeight->setText(tr("Unknown"));
    }
    ui->detailWidget->show();
}
void RPCConsole::resizeEvent(QResizeEvent *event)