// 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
protocol A {
func d
typealias B : B) {
class c() as String) -> Any] as String) -> <S : d where g.init(range.Type
}))!)
}
}
func d<T) -> {
public subscript () {
}
class func b> {
func d<1 {
}
return {
var b {
typealias e : A, let h, f: ({
}
typealias f == b) -> U -> {
}
class a {
let a {
let h
