| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| |
| var a; |
| |
| main() { |
| // Write a loop to force a bailout method on [A.foo]. |
| for (int i = 0; i < 10; i++) { |
| if (a != null) new A().foo([]); |
| Expect.equals(42, new A().foo(new A())); |
| } |
| } |
| |
| class A { |
| // In dart2js, the optimized version of foo tries to optimize the |
| // uses of a.length (which is used two times here: for the index, |
| // and for the bounds check), and that optimization used to crash |
| // the compiler. |
| foo(a) => a[a.length]; |
| |
| int get length => 42; |
| operator [](index) => 42; |
| } |
