Fixing presubmit error.

test/mjsunit/string-replace.js

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 189 matching lines @@
              + m.replace(/./g,"$&$&") + "-"
              + m.replace(/./g,function() { return RegExp['$&']; })
              + "-" + RegExp['$&'] + "]";
 }
 
 replaceTest("[ab-aabb-ab-b][az-aazz-az-z]",
             "abaz", /a./g, replacer);
 
 replaceTest("[ab-aabb-ab-b][az-aazz-az-z]",
             "abaz", /a(.)/g, replacer);
+
+var str = 'She sells seashells by the seashore.';
+var re = /sh/g;
+assertEquals('She sells sea$schells by the sea$schore.',
+                      str.replace(re,"$$" + 'sch'))