| // 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: %target-swift-frontend %s -emit-ir |
| |
| // Test case submitted to project by https://github.com/tmu (Teemu Kurppa) |
| // rdar://18174611 |
| |
| ["ab", "cd"].joined(separator: "") |
| |
