// 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 a<B {
class A {
typealias e() -> {
struct e {
}
})()
func a() {
enum B {
}
enum A : Hashable> {
}
func b() {
struct S : T>() {
}
func f<Y> Bool {
}
func g<b: a {
func b(array: d where T) -> {
}
return [c(x) + seq
convenience init(AnyObject> Void>(t: T) {
}
}
}
}
return S<1 {
}
func c
