// 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 b<S {
enum A {
func b.init() {
typealias B<d {
struct A.Element == a: (() -> {
map(g.C(T>? = "[c, g == T>() {}
}
let d, U) {
b.endIndex - range.join(.A> T where Optional<d) {
}
}
let a {
func a(t: