Calling replace() on QQuickWindow::data causes a crash

import QtQuick
import QtQuick.Controls
Window {
  id: window
  width: 640
  height: 480
  visible: true
  title: qsTr("data")
  Rectangle {
    color: "green"
    width: 300
    height: 300
  }
  Rectangle {
    color: "red"
    width: 200
    height: 200
  }
  Rectangle {
    color: "blue"
    width: 100
    height: 100
  }
  Button {
    text: "Remove"
    onClicked: window.data[1] = null
  }
}

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQmlListReference>
int main(int argc, char *argv[])
{
  QGuiApplication app(argc, argv);
  QQmlApplicationEngine engine;
  QObject::connect(&engine, &QQmlApplicationEngine::objectCreationFailed,
                   &app, []() { QCoreApplication::exit(-1); },
  Qt::QueuedConnection);
  engine.load("qrc:/WindowDataPropertyTest/Main.qml");
  auto obj = engine.rootObjects().constFirst();
  QQmlListReference ref(obj, "data");
  if(ref.canReplace()) {
    ref.replace(1, nullptr);
  }
  else {
    qDebug() << "Replace not supported";
  }
  return app.exec();
}