Reproduce CheckBox bug

gistfile1.txt

import QtQuick 2.2
import QtQuick.Controls 1.1

Rectangle {
    id: root
    color: "silver"
    height: 150
    width: 200

    Timer {
        running: true
        interval: 1000
        repeat: true
        onTriggered: master.visible = !master.visible
    }

    Rectangle {
        id: master
        color: "red";
        width: parent.width
        height: 20
        visible: false
    }

    Rectangle {
        id: slave1
        color: "green";
        y: 50
        x: 0
        width: 20
        height: 20
        visible: master.visible
    }

    Text {
        id: slave2
        text: "A label"
        y: 50
        x: 30
        width: 20
        height: 20
        visible: master.visible
    }

    CheckBox {
        id: checkBox
        y: 50
        x: 100
        text: "Checkbox"
        checked: master.visible
    }
}