Add issue numbers to language tests status files

tests/language/vm/allocation_sinking_vm_test.dart

 // Copyright (c) 2013, 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.
 // Test allocation sinking optimization.
 // VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
 import 'package:expect/expect.dart';
 
 class Point {
   var x, y;
@@ skipping 169 matching lines @@
   // Test that identity of materialized objects is preserved correctly and
   // no copies are materialized.
   final z1 = testIdentity(c.p);
   final z2 = testIdentity(new F(c.p));
   Expect.equals(z0, z1);
   Expect.equals(z0, z2);
 
   testFinalField();
   testVMField();
 }