mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 22:51:29 +00:00
05ca544f15
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
40 lines
776 B
Dart
40 lines
776 B
Dart
// Copyright (c) 2017, 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 = 2.7
|
|
|
|
// Regression test for dart2js inference. Class9.field9b should be known to be
|
|
// potentially `null`.
|
|
|
|
import 'package:expect/expect.dart';
|
|
|
|
class Class9 {
|
|
var field9a;
|
|
var field9b;
|
|
|
|
Class9() : field9a = 42 {
|
|
field9b = field9a;
|
|
}
|
|
}
|
|
|
|
class SubClass9a extends Class9 {
|
|
var field9b;
|
|
|
|
SubClass9a() : field9b = 42;
|
|
|
|
get access => super.field9b;
|
|
}
|
|
|
|
class SubClass9b extends Class9 {}
|
|
|
|
subclassField5() {
|
|
new Class9();
|
|
new SubClass9b();
|
|
return new SubClass9a().access;
|
|
}
|
|
|
|
main() {
|
|
Expect.isTrue(subclassField5() == null);
|
|
}
|