// 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
enum B : a {
struct c {
class a)
b, x {
typealias F = {
}
}
func a<T : a {
func i(i<T.C() ->>) {
return ",""""))-> {
enum S() {
}
func i: T) {
}
func b<b: () {
if c where B {
struct A(a(b) + seq: b: X<T) -> T -> T : Int = {
protocol d where T where f<f = {
case .Iterator.a<H : a: d where T where I) {
}
}
