// 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 {
func f: () -> {
class A {
enum b {
}
}
func c<T : (a)] = a)..Type) -> Any) -> String {
func a() -> Any in
let h : d where k) -> {
return p: P {
}
func call(t: P> {
return ".substringWithRange(b: S()
}
}
struct d<T where k.a: a {
