// 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 : A { f(x) -> { } } protocol A { protocol a { } func d typealias b : b = b[1 s