Setting the height of a PreserveAspectCrop image to < 1 causes an assertion failure in QSGDefaultImageNode

import QtQuick 2.0

Item {
    width: 300
    height: 100


    Rectangle {
        id: menu

        implicitHeight: 40
        color: "red"
        width: parent.width

        Timer {
            running: true
            interval: 500
            onTriggered: menu.height=0.5
        }

        Image {
            id: iconHelper
            fillMode: Image.PreserveAspectCrop
            source: "battery-000-charging.svg"

            width: 40
            height: parent.height
            anchors {
                left: parent.left
                verticalCenter: parent.verticalCenter
            }
        }
    }
}