| /* | |
| * 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. | |
| */ | |
| /** | |
| * @assertion A label is an identifier followed by a colon. A labeled statement | |
| * is a statement prefixed by a label L. A labeled case clause is a case clause | |
| * within a switch statement prefixed by a label L. | |
| * The sole role of labels is to provide targets for the break and continue | |
| * statements. | |
| * label: | |
| * identifier ':' | |
| * ; | |
| * @description Checks that it is a compile-time error if the label identifier | |
| * is empty. | |
| * @compile-error | |
| * @author vasya | |
| */ | |
| main() { | |
| : while (true) { break L; } | |
| } |