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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>
27 lines
799 B
Dart
27 lines
799 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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// @dart = 2.7
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// Regression test for http://dartbug.com/28919.
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//
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// This would crash at runtime because the type of closure parameter 'x' was
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// empty, leading to bad codegen. The empty type was due to a tracing bug that
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// failed to escape the closure when stored into the list which was not traced
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// as a container.
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import 'package:expect/expect.dart';
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int foo([List _methods = const []]) {
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final methods = new List.from(_methods);
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for (int i = 0; i < 3; i++) {
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methods.add((int x) => x + i);
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}
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return methods[0](499);
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}
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main() {
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Expect.equals(499, foo());
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}
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