Android: assertion failure when calling pop() on a StackView

import QtQuick 2.0
import QtQuick.Controls 1.0

Rectangle {
    id: root
    width: 480
    height: 800

    color: "#161616"
    property color fontColor: "white"

    property Component comboComponent: Item {
        ComboBox {
        }
    }

    StackView {
        id: view
        anchors.fill: parent

        Text {
            text: "Back"
            color: fontColor
            font.pixelSize: 30
            anchors.left: parent.left
            anchors.leftMargin: 20
            anchors.bottom: parent.bottom
            visible: view.depth > 1

            MouseArea {
                anchors.fill: parent
                onClicked: view.pop()
            }
        }

        initialItem: Item {
            Button {
                width: view.width
                height: 100
                anchors.centerIn: parent
                text: "PUSH ME!"

                onClicked: {
                    view.push({item: comboComponent});
                }
            }
        }
    }
}