// 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
func f() {
return g<T] = D> Any, A {
}
typealias e():Any) {
struct X.A<h> String {
let i<U -> Bool {
}
}
class a(Any) {
func f.f == b: a {
}
d.init(A<h : String {
}
}
convenience init(Any) {
}
}
return nil
struct c<d = b: B? {
convenience init() {
class A : d<T>, f<e(T) -> {
}
var b(t: A {
class B : Int
