introduce eternal handles

src/objects.h

 // Copyright 2012 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 9759 matching lines @@
   V(kStrongRootList, "strong_root_list", "(Strong roots)")              \
   V(kInternalizedString, "internalized_string", "(Internal string)")    \
   V(kBootstrapper, "bootstrapper", "(Bootstrapper)")                    \
   V(kTop, "top", "(Isolate)")                                           \
   V(kRelocatable, "relocatable", "(Relocatable)")                       \
   V(kDebug, "debug", "(Debugger)")                                      \
   V(kCompilationCache, "compilationcache", "(Compilation cache)")       \
   V(kHandleScope, "handlescope", "(Handle scope)")                      \
   V(kBuiltins, "builtins", "(Builtins)")                                \
   V(kGlobalHandles, "globalhandles", "(Global handles)")                \
+  V(kEternalHandles, "eternalhandles", "(Eternal handles)")             \
   V(kThreadManager, "threadmanager", "(Thread manager)")                \
   V(kExtensions, "Extensions", "(Extensions)")
 
 class VisitorSynchronization : public AllStatic {
  public:
 #define DECLARE_ENUM(enum_item, ignore1, ignore2) enum_item,
   enum SyncTag {
     VISITOR_SYNCHRONIZATION_TAGS_LIST(DECLARE_ENUM)
     kNumberOfSyncTags
   };
@@ skipping 99 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_