| // 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 | |
| // REQUIRES: asserts | |
| // RUN: not --crash %target-swift-frontend %s -emit-ir | |
| struct B{let f=a}protocol P{}extension P{extension{func&(U= |