| // RUN: not %target-swift-frontend %s -sil-verify-all -c 2>&1 | %FileCheck %s | |
| // Report the error but don't crash. | |
| // CHECK: error: closure captures 'stringList' before it is declared | |
| class TestUndefined { | |
| private var stringList: [String]! | |
| func dontCrash(strings: [String]) { | |
| assert(stringList.allSatisfy({ $0 == stringList.first!})) | |
| let stringList = strings.filter({ $0 == "a" }) | |
| } | |
| } |