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

test/mjsunit/switch.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 251 matching lines @@
 assertEquals("default", f7(0.1), "0-1-switch.double-0.1");
 assertEquals("0", f7(-0), "0-1-switch.double-neg0");
 assertEquals("MaxSmi", f7((1<<30)-1), "0-1-switch.maxsmi");
 assertEquals("MinSmi", f7(-(1<<30)), "0-1-switch.minsmi");
 assertEquals("default", f7(1<<30), "0-1-switch.maxsmi++");
 assertEquals("default", f7(-(1<<30)-1), "0-1-switch.minsmi--");
 assertEquals("A", f7((170/16)-(170%16/16)), "0-1-switch.heapnum");
 
 
 function makeVeryLong(length) {
-  var res = "function() {\n" +
+  var res = "(function () {\n" +
             "  var res = 0;\n" +
             "  for (var i = 0; i <= " + length + "; i++) {\n" +
             "    switch(i) {\n";
   for (var i = 0; i < length; i++) {
     res += "    case " + i + ": res += 2; break;\n";
   }
   res += "    default: res += 1;\n" +
          "    }\n" +
          "  }\n" +
          "  return res;\n" +
-         "}";
+         "})";
   return eval(res);
 }
 var verylong_size = 1000;
 var verylong = makeVeryLong(verylong_size);
 
 assertEquals(verylong_size * 2 + 1, verylong());