Initializing property through alias to bound bindable property fails

import QtQuick 2.15
import QtQuick.Window 2.15

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Test initializing through alias to bound bindable property")

    component TestComponent: Item {
        id: root

        property alias aliasToChildObjectName: child.objectName

        Rectangle {
            id: child
            objectName: root.objectName + " default"
            width: 100; height: 100
            color: objectName === "expected" ? "green" : "red"
            onObjectNameChanged: {
                print("child - onObjectNameChanged", child.objectName)
            }
        }
    }

    TestComponent {
        objectName: "root"
        aliasToChildObjectName: "expected"
    }
}