| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| // @dart = 2.9 | |
| main() { | |
| var L = 33; | |
| while (false) { | |
| // Illegal: L is not a label. | |
| if (true) break L; | |
| // ^ | |
| // [analyzer] COMPILE_TIME_ERROR.LABEL_UNDEFINED | |
| // [cfe] Can't break to 'L'. | |
| } | |
| } |