Fix full code generator to not use --debug-code if it is in

src/serialize.cc

Index: src/serialize.cc
===================================================================
--- src/serialize.cc	(revision 12237)
+++ src/serialize.cc	(working copy)
@@ -511,6 +511,18 @@
       UNCLASSIFIED,
       47,
       "date_cache_stamp");
+  Add(ExternalReference::address_of_pending_message_obj(isolate).address(),
+      UNCLASSIFIED,
+      48,
+      "address_of_pending_message_obj");
+  Add(ExternalReference::address_of_has_pending_message(isolate).address(),
+      UNCLASSIFIED,
+      49,
+      "address_of_has_pending_message");
+  Add(ExternalReference::address_of_pending_message_script(isolate).address(),
+      UNCLASSIFIED,
+      50,
+      "pending_message_script");
 }