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21 lines
621 B
Dart
21 lines
621 B
Dart
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// Copyright (c) 2011, 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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import "package:expect/expect.dart";
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class A {
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operator -() => this;
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toString() => "5";
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abs() => "correct";
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}
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// This triggered a bug in Dart2Js: the speculative type optimization assigned
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// type "number" to 'a' and then to '-a'. In the bailout version the type for
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// 'a' was removed, but the type for '-a' was kept.
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foo(a) => -(-a);
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main() {
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Expect.equals("correct", foo(new A()).abs());
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}
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