Incorrect layout using Row.layoutDirection

import QtQuick 1.1

Item {
    width: 640
    height: 480

    Item {
        anchors.centerIn: parent
        width: row.implicitWidth
        height: row.implicitHeight

        Row {
            id: row
            spacing: 10
            anchors.fill: parent
//            layoutDirection: Qt.RightToLeft

            Rectangle { color: "blue"; width: 32; height: 32 }

            Text {
                text: "text label";
                font.pixelSize: 20
            }
        }
        Rectangle {
            color: "red"; opacity: 0.2;
            anchors.fill: row
            anchors.topMargin: -5
            anchors.bottomMargin: -5
        }
    }
}