Robert Nystrom
5fff7d61e1
Change-Id: I43ab07aebe7918a1265f8dc594b759e85c08e862 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150264 Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
48 lines
871 B
Dart
48 lines
871 B
Dart
// Copyright (c) 2013, 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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// Check that type of the AssertAssignable is recomputed correctly.
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// VMOptions=--optimization-counter-threshold=10 --no-use-osr
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import "package:expect/expect.dart";
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class A {
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final p;
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final _b;
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b() {
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try {
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return _b;
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} catch (e) {}
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}
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A(this.p, this._b);
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}
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class B extends A {
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B(p, b) : super(p, b);
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}
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bar(v) {
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for (var x = v; x != null; x = x.p) {
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if (x.b()) {
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return x;
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}
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}
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return null;
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}
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foo(v) {
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A x = bar(v);
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return x != null;
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}
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main() {
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final a = new A(new B(new A("haha", true), false), false);
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for (var i = 0; i < 20; i++) {
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Expect.isTrue(foo(a));
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}
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Expect.isTrue(foo(a));
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}
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