// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

// RUN: not %target-swift-frontend %s -parse
protocol A {
    typealias B
    func b(B)
}
struct X<Y> : A {
    func b(b: X.Type) {
    }
}
protocol A {
    typealias E
}
struct B<T : A> {
    let h: T
    let i: T.E
}
protocol C {
    typealias F
    func g<T where T.E == F>(f: B<T>)
}
struct D : C {
    typealias F = Int
    func g<T where T.E == F>(f: B<T>) {
    }
}
func ^(a: Boolean, Bool) -> Bool {
    return !(a)
}
a)
func a<b:a
struct A<T> {
    let a: [(  th
}
func prefix(with: String) x1 ool !(a)
}
func prefix(with: Strin) -> <T>(() -> T) in\
import Foundation
class Foo<T>: NSObject {
    var  f<g>() -> (es: Int = { x, f in
    A.B == D>(e: A.B) {
    }
}
protocol a : a {
}
class a {
    typealias b = b
}
func prefi      su1ype, ere Optional<T> return !(a)
}
