Crash when QWidget::winId is requested when destroying

class WinIdChangeSpy : public QObject
{
    Q_OBJECT
    QWidget *m_widget = nullptr;
    WId m_winId = 0;
public:
    explicit WinIdChangeSpy(QWidget *widget, QObject *parent = nullptr)
        : QObject(parent)
        , m_widget(widget)
        , m_winId(widget->winId())
    {
    }

    WId winId() const { return m_winId; }

public slots:
    bool eventFilter(QObject *obj, QEvent *event) override
    {
        if (obj == m_widget) {
            if (event->type() == QEvent::WinIdChange) {
                m_winId = m_widget->winId();
                return true;
            }
        }
        return false;
    }
};

class WinIdCloseWidget : public QWidget
{
    Q_OBJECT
public:    
    QObject *m_notifier = nullptr;
    QWidget *m_deleteWidget = nullptr;

    WinIdCloseWidget(QWidget *parent = nullptr) : QWidget(parent), m_notifier(new QObject(this)) 
    {
        m_deleteWidget = new QWidget(new QWidget(this));
        connect(m_notifier, &QObject::destroyed, [this] { delete m_deleteWidget; });
        WinIdChangeSpy *spy = new WinIdChangeSpy(m_deleteWidget, this);
        m_deleteWidget->installEventFilter(spy);
    }
};

int main()
{
    auto widget = new WinIdCloseWidget;
    widget->show();
    widget->windowHandle()->close();
    delete widget;
}