IsNearDeath needs to include pending nodes

include/v8.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 5429 matching lines @@
   static const int kUndefinedValueRootIndex = 5;
   static const int kNullValueRootIndex = 7;
   static const int kTrueValueRootIndex = 8;
   static const int kFalseValueRootIndex = 9;
   static const int kEmptyStringRootIndex = 135;
 
   static const int kNodeClassIdOffset = 1 * kApiPointerSize;
   static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;
   static const int kNodeStateMask = 0xf;
   static const int kNodeStateIsWeakValue = 2;
+  static const int kNodeStateIsPendingValue = 3;
   static const int kNodeStateIsNearDeathValue = 4;
   static const int kNodeIsIndependentShift = 4;
   static const int kNodeIsPartiallyDependentShift = 5;
 
   static const int kJSObjectType = 0xb1;
   static const int kFirstNonstringType = 0x80;
   static const int kOddballType = 0x83;
   static const int kForeignType = 0x87;
 
   static const int kUndefinedOddballKind = 5;
@@ skipping 195 matching lines @@
   if (this->IsEmpty()) return false;
   return I::GetNodeFlag(reinterpret_cast<internal::Object**>(this->val_),
                         I::kNodeIsIndependentShift);
 }
 
 
 template <class T>
 bool Persistent<T>::IsNearDeath() const {
   typedef internal::Internals I;
   if (this->IsEmpty()) return false;
-  return I::GetNodeState(reinterpret_cast<internal::Object**>(this->val_)) ==
-      I::kNodeStateIsNearDeathValue;
+  uint8_t node_state =
+      I::GetNodeState(reinterpret_cast<internal::Object**>(this->val_));
+  return node_state == I::kNodeStateIsNearDeathValue ||
+      node_state == I::kNodeStateIsPendingValue;
 }
 
 
 template <class T>
 bool Persistent<T>::IsWeak() const {
   typedef internal::Internals I;
   if (this->IsEmpty()) return false;
   return I::GetNodeState(reinterpret_cast<internal::Object**>(this->val_)) ==
       I::kNodeStateIsWeakValue;
 }
@@ skipping 850 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_