| // Copyright (c) 2020, 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 Break statement: If N is a statement of the form break [L];, then: |
| /// |
| /// Let S be the statement targeted by the break. If L is not present, this is |
| /// the innermost do, for, switch, or while statement. Otherwise it is the do, |
| /// for, switch, or while statement with a label matching L. |
| /// |
| /// Update break(S) = join(break(S), before(N)). |
| /// |
| /// Let after(N) = unreachable(before(N)). |
| /// |
| /// @description Checks reachability after break statement. Test `switch` |
| /// statement |
| /// |
| /// @author sgrekhov@unipro.ru |
| |
| |
| main() { |
| late int i; |
| int j = 42; |
| switch (j) { |
| case 42: |
| break; |
| i = 42; // Variable is initialized in a dead code. This leaves it definitely unassigned |
| case 43: |
| } |
| i; // It is an error to read a local late variable when it is definitely unassigned. |
| //^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
