Setting PathView's path to null causes crash

import QtQuick 2.7
import QtQuick.Window 2.2
import QtQuick.Controls 2.0

Window {
    visible: true

    Shortcut {
        sequence: "Ctrl+Q"
        onActivated: Qt.quit()
    }

    PathView {
        id: pathView
        anchors.fill: parent
        model: 10
        delegate: Text {
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            width: implicitWidth + 20
            height: implicitHeight + 20
            text: modelData
        }

        path: Path {
            startX: 120; startY: 100
            PathQuad { x: 120; y: 25; controlX: 260; controlY: 75 }
            PathQuad { x: 120; y: 100; controlX: -20; controlY: 75 }
        }
    }

    Button {
        onClicked: pathView.path = null
    }
}