| // 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. |
| // @dart=2.9 |
| const int a = b; |
| const int b = a; |
| const int c = d; |
| const int d = e + 1; |
| const int e = d - 1; |
| |
| class Class1 { |
| const Class1({Class1 c = const Class1(c: null)}); |
| } |
| |
| const Class1 c1_0 = const Class1(); |
| const Class1 c1_1 = const Class1(c: null); |
| const Class1 c1_2 = const Class1(); |
| |
| class Class2 { |
| final Class2 field; |
| const Class2(int value) : field = value == 0 ? null : const Class2(0); |
| } |
| |
| const Class2 c2_0 = const Class2(1); |
| const Class2 c2_1 = const Class2(0); |
| const Class2 c2_2 = const Class2(1); |
| |
| class Class3 { |
| const Class3([Class3 c = c3_1]); |
| } |
| |
| const Class3 c3_0 = const Class3(); |
| const Class3 c3_1 = const Class3(c3_2); |
| const Class3 c3_2 = const Class3(null); |
| |
| class Class4 { |
| const Class4({Class4 c = const Class4()}); |
| } |
| |
| const Class4 c4_0 = const Class4(); |
| const Class4 c4_1 = const Class4(c: null); |
| |
| main() {} |