Fixed serializer issue.

src/serialize.cc

 // 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 1192 matching lines @@
 void Serializer::PutContextStack() {
   List<Context*> contexts(2);
   while (HandleScopeImplementer::instance()->HasSavedContexts()) {
     Context* context =
       HandleScopeImplementer::instance()->RestoreContext();
     contexts.Add(context);
   }
   for (int i = contexts.length() - 1; i >= 0; i--) {
     HandleScopeImplementer::instance()->SaveContext(contexts[i]);
   }
+  writer_->PutC('C');
   writer_->PutC('[');
   writer_->PutInt(contexts.length());
   if (!contexts.is_empty()) {
     Object** start = reinterpret_cast<Object**>(&contexts.first());
     VisitPointers(start, start + contexts.length());
   }
   writer_->PutC(']');
 }
 
 void Serializer::PutEncodedAddress(Address addr) {
@@ skipping 316 matching lines @@
   for (int i = 0; i < length; i++) {
     reader_.ExpectC('|');
     int gh_index = reader_.GetInt();
     stack->Add(global_handles_[gh_index]);
   }
   reader_.ExpectC(']');
 }
 
 
 void Deserializer::GetContextStack() {
-  reader_.ExpectC('[');
+  reader_.ExpectC('C');
+  CHECK(reader_.GetC() == '[');
   int count = reader_.GetInt();
   List<Context*> entered_contexts(count);
   if (count > 0) {
     Object** start = reinterpret_cast<Object**>(&entered_contexts.first());
     VisitPointers(start, start + count);
   }
   reader_.ExpectC(']');
   for (int i = 0; i < count; i++) {
     HandleScopeImplementer::instance()->SaveContext(entered_contexts[i]);
   }
@@ skipping 132 matching lines @@
         ASSERT(index < large_objects_.length());
       }
       return large_objects_[index];  // s.page_offset() is ignored.
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 } }  // namespace v8::internal