Fix for issue 10839, use the class in order to trigger compilation.

tests/language/non_const_super_negative_test.dart

 // Copyright (c) 2011, 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.
 // Check fails because const class extends from non const class.
-// VMOptions=--compile_all
 
 class Base {
   Base() {}
 }
 
 class Sub extends Base {
   const Sub(a) : a_ = a;
   final a_;
 }
 
 class NonConstSuperNegativeTest {
   static testMain() {
+    var a = new Sub();
   }
 }
 
 main() {
   NonConstSuperNegativeTest.testMain();
 }