// 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 A {
protocol A {
}
return b) -> b {
}
class a<g: c: A>() -> () -> Void>([0x31] = nil
static let n1: C: A")
enum s m y: A? {
}
class a {
}
var d {
}
var b = c<c(((c: C: m : c<d: b {
}
protocol g m n: A, k b = D> String {
}
func c<f : b
