// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

// RUN: not %target-swift-frontend %s -typecheck
class k:Collection
let a{
enum B{struct d{
struct S{let a=0.g
let a{class d<T where f:A{
enum E{struct B{{}struct B<g{class B{class d{var _=B