Revert accidental change to SealHandleScope.

src/handles-inl.h

 // Copyright 2006-2008 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 167 matching lines @@
 
 
 #ifdef DEBUG
 inline SealHandleScope::SealHandleScope(Isolate* isolate) : isolate_(isolate) {
   // Make sure the current thread is allowed to create handles to begin with.
   CHECK(AllowHandleAllocation::IsAllowed());
   v8::ImplementationUtilities::HandleScopeData* current =
       isolate_->handle_scope_data();
   // Shrink the current handle scope to make it impossible to do
   // handle allocations without an explicit handle scope.
+  limit_ = current->limit;
   current->limit = current->next;
-
   level_ = current->level;
   current->level = 0;
 }
 
 
 inline SealHandleScope::~SealHandleScope() {
   // Restore state in current handle scope to re-enable handle
   // allocations.
-  v8::ImplementationUtilities::HandleScopeData* data =
+  v8::ImplementationUtilities::HandleScopeData* current =
       isolate_->handle_scope_data();
-  ASSERT_EQ(0, data->level);
-  data->level = level_;
+  ASSERT_EQ(0, current->level);
+  current->level = level_;
+  ASSERT_EQ(current->next, current->limit);
+  current->limit = limit_;
 }
 
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_HANDLES_INL_H_