| // 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 |
| class b<h : c, i : c where h.g == i> : a { |
| } |
| class b<h, i> { |
| } |
| protocol c { |
| } |
| class a { |
| } |
| struct c<S: Sequence, T where Optional<T> == S.Iterator.Element>( |