// 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
let t{
{
class a{
class a{
class A{
class a{class c
func e
{struct Q{
var _=a<A{
func a{
class A{
{
{{
}}}
func f{
func c{
class A{var _=a{
struct S{func a{
func c{class c{
class A{
func a{
struct A{
let a{a{
class a{func e
{(_=
f