Do not use eternal handles when creating a start-up snapshot.

src/date.js

 // Copyright 2006-2008 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.
 
 "use strict";
 
 // This file relies on the fact that the following declarations have been made
 // in v8natives.js:
 // var $isFinite = GlobalIsFinite;
 
@@ skipping 713 matching lines @@
 }
 
 
 var date_cache_version_holder;
 var date_cache_version = NAN;
 
 
 function CheckDateCacheCurrent() {
   if (!date_cache_version_holder) {
     date_cache_version_holder = %DateCacheVersion();
+    if (!date_cache_version_holder) return;
   }
   if (date_cache_version_holder[0] == date_cache_version) {
     return;
   }
   date_cache_version = date_cache_version_holder[0];
 
   // Reset the timezone cache:
   timezone_cache_time = NAN;
   timezone_cache_timezone = UNDEFINED;
 
@@ skipping 73 matching lines @@
     "toGMTString", DateToGMTString,
     "toUTCString", DateToUTCString,
     "getYear", DateGetYear,
     "setYear", DateSetYear,
     "toISOString", DateToISOString,
     "toJSON", DateToJSON
   ));
 }
 
 SetUpDate();