Follow the spec in disallow function declarations without a name. We...

test/mjsunit/class-of-builtins.js

 // Copyright 2008 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 17 matching lines @@
 // The [[Class]] property of (instances of) builtin functions must be
 // correctly set.
 var funs = {
   Object:   [ Object ],
   Function: [ Function ],
   Array:    [ Array ],
   String:   [ String ],
   Boolean:  [ Boolean ],
   Number:   [ Number ],
   Date:     [ Date ],
-  RegExp:   [ RegExp ],  
+  RegExp:   [ RegExp ],
   Error:    [ Error, TypeError, RangeError, SyntaxError, ReferenceError, EvalError, URIError ]
 }
 for (f in funs) {
   for (i in funs[f]) {
     assertEquals("[object " + f + "]",
                  Object.prototype.toString.call(new funs[f][i]),
                  funs[f][i]);
     assertEquals("[object Function]",
                  Object.prototype.toString.call(funs[f][i]),
                  funs[f][i]);
   }
 }