| // RUN: %target-swift-frontend %s -emit-sil -Ounchecked | %target-sil-opt | |
| // Fails if the positions of the two Collection subscript requirements are | |
| // reversed. rdar://problem/46650834 | |
| // UNSUPPORTED: swift_evolve | |
| var W = [UInt32](repeating: 0, count: 16) |