Qml ShaderEffectSource/ShaderEffect crashes on exit

import QtQuick 2.10
import QtQuick.Window 2.10
import QtQuick.Controls 2.2

import QtGraphicalEffects 1.0

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Page // Comment "Page" out to prevent crash on exit
    {
        anchors.fill: parent

        Rectangle {
            id: testRect
            anchors.fill: parent
            color: "red"

            // Comment "Menu" out to prevent crash on exit:
            Menu {
                id: testMenu
            }
        }

        FastBlur {
            id: shader
            anchors.fill: parent

            property var source: ShaderEffectSource {
                id: shaderEffectSource
                sourceItem: testRect
                hideSource: false
            }
        }
    }
}