Avoid using Function.prototype.call in a number of places in our

src/regexp.js

 // Copyright 2006-2009 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 34 matching lines @@
   }
 
   pattern = IS_UNDEFINED(pattern) ? '' : ToString(pattern);
   flags = IS_UNDEFINED(flags) ? '' : ToString(flags);
 
   var global = false;
   var ignoreCase = false;
   var multiline = false;
 
   for (var i = 0; i < flags.length; i++) {
-    var c = StringCharAt.call(flags, i);
+    var c = %_CallFunction(flags, i, StringCharAt);
     switch (c) {
       case 'g':
         // Allow duplicate flags to be consistent with JSC and others.
         global = true;
         break;
       case 'i':
         ignoreCase = true;
         break;
       case 'm':
         multiline = true;
@@ skipping 408 matching lines @@
   %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
 
   for (var i = 1; i < 10; ++i) {
     %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_DELETE);
     %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE);
   }
 }
 
 
 SetupRegExp();