ListView crashes if entire contents are dragged below bounds

import QtQuick 2.0

ListView {
    width: 240; height: 320

    model: 20
    delegate: Rectangle {
        width: 240; height: 40
        color: "lightsteelblue"
    }
    section.property: "modelData"
    section.delegate: Rectangle {
        width: 240;
        height: 80
        color: "yellow"
    }
}