问切换到XCode 7.0(.1)后，自定义视图(XIB)在发布模式下崩溃

EN

func loadViewWithName(viewName: String, owner: UIView) {
    let view = NSBundle.mainBundle().loadNibNamed(viewName, owner: owner, options: nil).first as! UIView
    view.frame = owner.bounds
    owner.addSubview(view)
}

class AddView2 : UIView {
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)

        loadView()
    }

    @IBOutlet weak var pendingToAddNotification: UIView!

    private func loadView() {
        loadViewWithName("AddView2", owner: self)

        // print("asd") // if this is uncommented the app doesn't crash

        pendingToAddNotification.backgroundColor = UIColor.blackColor() // CRASH HERE, when I try to to change something in the loaded view, most probably because the outlet isn't set (it is nil), which was my assumption since it is called after view is loaded. 
    }
}

class AddView : UIView {
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)

        loadView()
    }

    @IBOutlet weak var pendingToAddNotification: AddView2!

    private func loadView() {
        loadViewWithName("AddView", owner: self)

        pendingToAddNotification.backgroundColor = UIColor.blackColor()
    }
}