| /* | |
| * 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 constant expression is an expression whose value can never | |
| * change, and that can be evaluated entirely at compile time. | |
| * A constant expression is one of the following: | |
| * . . . | |
| * • A qualified reference to a static constant variable that is not qualified | |
| * by a deferred prefix. | |
| * @description Checks that a reference to a non-constant top-level variable | |
| * cannot be used to initialize a constant variable. | |
| * @compile-error | |
| * @author iefremov | |
| */ | |
| var a = 1; | |
| const m = a; | |
| main() { | |
| try { | |
| print(m); | |
| } catch (x) {} | |
| } |