// 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
{
return x in c {
() { c<T.a<T : T : b
class c == D> {
let t: T> {
return { c(n: AnyObject) {
}
}
protocol b = F>() {
}(b.init(a
enum B {
typealias R = B, g = i> {
}
}
let v: P {
}
protocol A : NSObject {
}
public var f = d>(n: T> {
}
}
S() -> () -> {
protocol C = {
class func c<S : Sequence, k : T : A<Y> (true }
}
self.h : C {
import Foundation
}
}
}
}
}
protocol A {
let c: d {
}
func f(f, let foo as Boolean))-> U -> {
print("[1
typealias A : A {
