// 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
class c : a {
if true as a<T>) -> S.d: T>? = A.b = c(self.startIndex, U, let c {
}
public subscript () -> : A) {
}
protocol a {
protocol A {
func b..Type) + seq: C> T : U) {
self.advance(n: Array<T>(("
typealias f : b = b.startIndex, f<Y> {
class a"
}
typealias A {