Use function wrapper argument to expose internal arrays to native scripts.

src/regexp.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var $regexpExec;
 var $regexpExecNoTests;
 var $regexpLastMatchInfo;
 var $regexpLastMatchInfoOverride;
 var harmony_regexps = false;
 var harmony_unicode_regexps = false;
 
 (function(global, shared, exports) {
 
 %CheckIsBootstrapping();
 
+// -------------------------------------------------------------------
+// Imports
+
 var GlobalRegExp = global.RegExp;
+var InternalPackedArray = shared.InternalPackedArray;
+
+// -------------------------------------------------------------------
 
 // Property of the builtins object for recording the result of the last
 // regexp match.  The property $regexpLastMatchInfo includes the matchIndices
 // array of the last successful regexp match (an array of start/end index
 // pairs for the match and all the captured substrings), the invariant is
 // that there are at least two capture indeces.  The array also contains
 // the subject string for the last successful match.
 $regexpLastMatchInfo = new InternalPackedArray(
  2,                 // REGEXP_NUMBER_OF_CAPTURES
  "",                // Last subject.
@@ skipping 409 matching lines @@
   %DefineAccessorPropertyUnchecked(GlobalRegExp, '$' + i,
                                    RegExpMakeCaptureGetter(i), NoOpSetter,
                                    DONT_DELETE);
 }
 %ToFastProperties(GlobalRegExp);
 
 $regexpExecNoTests = RegExpExecNoTests;
 $regexpExec = DoRegExpExec;
 
 })