Missing baseline offsets

import QtQuick 2.3
import Qt.labs.templates 1.0 as T
import Qt.labs.controls 1.0

ApplicationWindow {
    width: 520
    height: 320
    visible: true

    Button {
        id: button
        text: "Button"
        anchors.centerIn: parent
    }

    Text {
        id: label
        text: "Baseline"
        anchors.left: parent.left
        anchors.right: button.left
        anchors.baseline: button.baseline
        horizontalAlignment: Text.AlignHCenter
    }

    Rectangle {
        color: "red"
        opacity: 0.25
        width: parent.width
        height: 1
        anchors.baseline: label.baseline
    }
}