// 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
struct Q<T, U) {
var b, end: a {
enum b {
var f = d.f : T, U) {
}
}
c: e = A<T where l) in c in x = A<h == e<b.c {
}
class c = D>() -> {
f : (x, Any) {
}
}
func a<e(t: b
print("):
let end = i(b.advance(a(c {
}
class func b> {
func i<c(f, object2)!.C: String {
class A : T>(self.f == compose<T> T? = b.C<A, T where T.dynamicType.b {
typealias e = ")
}
}
e = b<T {
return { c) {
get {
cl
