rdar://32734461 (Xcode 9 beta1: Swift generics in custom class crashes Instruments when specifying Dictionary type)

AppDelegate.swift

//
//  AppDelegate.swift
//  Crashy
//
//  Created by Jens Meder on 13.06.17.
//  Copyright © 2017 Jens Meder. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        let _ = Memory<[String:String]>(value: ["hello":"world"])
        return true
    }

}

Memory.swift

//
//  Memory.swift
//  Crashy
//
//  Created by Jens Meder on 13.06.17.
//  Copyright © 2017 Jens Meder. All rights reserved.
//

import Foundation

internal class Memory<T> {
	public var value: T
	
	// MARK: Init
    
    internal init(value: T) {
        self.value = value
    }
}