Index: tests/language/bailout2_test.dart |
=================================================================== |
--- tests/language/bailout2_test.dart (revision 0) |
+++ tests/language/bailout2_test.dart (revision 0) |
@@ -0,0 +1,24 @@ |
+// 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. |
+ |
+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 optmization used to crash |
+ // the compiler. |
+ foo(a) => a[a.length]; |
+ |
+ int get length => 42; |
+ operator[] (index) => 42; |
+} |