Migrate block 43.

tests/language_2/bailout3_test.dart

 // 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";
 
 // Test that the return type of a method is being registered for both
 // its bailout and optimized version in dart2js.
 
 var a;
@@ skipping 21 matching lines @@
   // This check used to fail because dart2js was assuming [b] was an
   // array.
   Expect.equals(1, b.length);
 }
 
 main() {
   a = new Map();
   bar();
   foo();
 }