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912005267d
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680 Commit-Queue: Sigmund Cherem <sigmund@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com>
38 lines
760 B
Dart
38 lines
760 B
Dart
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Regression test for dart2js inference. Class9.field9b should be known to be
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// potentially `null`.
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import 'package:expect/expect.dart';
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class Class9 {
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var field9a;
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var field9b;
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Class9() : field9a = 42 {
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field9b = field9a;
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}
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}
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class SubClass9a extends Class9 {
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var field9b;
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SubClass9a() : field9b = 42;
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get access => super.field9b;
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}
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class SubClass9b extends Class9 {}
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subclassField5() {
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new Class9();
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new SubClass9b();
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return new SubClass9a().access;
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}
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main() {
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Expect.isTrue(subclassField5() == null);
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}
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