Using State machine with onPositionChanged in MouseArea causes a CRASH when DeclarativeView is deleted

import QtQuick 1.0

Rectangle {
    id: backgroundId
    width: 360
    height: 360

    Rectangle {
        id: rectangle1

        color: "#AAAAAA"

        width: childrenRect.width + 10
        height: childrenRect.height + 10

        radius: 5
        anchors.centerIn: parent

        Text {
            id: directionText
            text: "Left click for state1 and\nRight click for state2";
            anchors.centerIn: parent
        }
    }

    Text {
        id: stateText
        anchors.top: directionText.bottom
        anchors.horizontalCenter: directionText.horizontalCenter

        text: "Default State"
    }

    MouseArea {
        id: mouseArea
        anchors.fill: parent

        hoverEnabled: true //Enable mouse tracking

        acceptedButtons: Qt.LeftButton | Qt.RightButton

        onPressed: {
            if(mouse.button == Qt.LeftButton) {
                state = "State1"
            } else if(mouse.button == Qt.RightButton) {
                state = "State2"
            }
        }

        onPositionChanged: {
            console.log("Default state: " + mouse.x + " " + mouse.y)
        }

        states: [
            State {
                name: "State1"

                PropertyChanges {
                    target: mouseArea

                    onPositionChanged: {
                        console.log("State1: " + mouse.x + " " + mouse.y)
                    }

                    onReleased: {
                        state = "" //Return to the default state
                    }
                }

                PropertyChanges {
                    target: stateText
                    text: "State1"
                }
            },

            State {
                name: "State2"

                PropertyChanges {
                    target: mouseArea

                    onPositionChanged: {
                        console.log("State2: " + mouse.x + " " + mouse.y)
                    }

                    onReleased: {
                         state = "" //Return to the default state
                    }
                }

                PropertyChanges {
                    target: stateText
                    text: "State2"
                }
            }
        ]
    }
}