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

src/date.js

Index: src/date.js
diff --git a/src/date.js b/src/date.js
index 40ab1d25d6579b5c9d5abaac9bb26ce06d9c2e64..208a5b2b4bec27f45ccc7aef9d4836a10c8bdacc 100644
--- a/src/date.js
+++ b/src/date.js
@@ -731,6 +731,7 @@ 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;