Jakob Roland Andersen
d687bc6673
Bug: Change-Id: Icb90877af264b2f61c9e32be7420ed748cab601f Reviewed-on: https://dart-review.googlesource.com/5741 Commit-Queue: Jakob Roland Andersen <jakobr@google.com> Reviewed-by: Florian Loitsch <floitsch@google.com>
44 lines
1.2 KiB
Dart
44 lines
1.2 KiB
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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// dart2js was generating incorrect code for the [A] constructor, by
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// using a temporary variable for two instructions, even though they
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// are both live at the same time.
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import "package:expect/expect.dart";
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var globalVar = [1, 2];
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class A {
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final field1;
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final field2;
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var field3;
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A(this.field1, this.field2) {
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bool entered = false;
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// We use [field1] twice to ensure it will have a temporary.
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for (var a in field1) {
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try {
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entered = true;
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// We use [field2] twice to ensure it will have a temporary.
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print(field2);
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print(field2);
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} catch (e) {
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// Because the catch is aborting, the SSA graph we used to
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// generate thought that the whole try/catch was aborting, and
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// therefore it could not reach the code after the loop.
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throw e;
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}
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}
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Expect.isTrue(entered);
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// dart2js used to overwrite the temporary for [field1] with
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// [field2].
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Expect.equals(globalVar, field1);
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}
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}
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main() {
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new A(globalVar, null);
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}
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