Treat pointers in optimized code as strong before all weak dependencies are registered.

src/lithium.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_LITHIUM_H_
 #define V8_LITHIUM_H_
 
 #include <set>
 
 #include "src/allocation.h"
@@ skipping 665 matching lines @@
  protected:
   LChunk(CompilationInfo* info, HGraph* graph);
 
   int spill_slot_count_;
 
  private:
   typedef std::less<Handle<Map> > MapLess;
   typedef zone_allocator<Handle<Map> > MapAllocator;
   typedef std::set<Handle<Map>, MapLess, MapAllocator> MapSet;
 
+  void RegisterWeakObjectsInOptimizedCode(Handle<Code> code) const;
   void CommitDependencies(Handle<Code> code) const;
 
   CompilationInfo* info_;
   HGraph* const graph_;
   BitVector* allocated_double_registers_;
   ZoneList<LInstruction*> instructions_;
   ZoneList<LPointerMap*> pointer_maps_;
   ZoneList<Handle<JSFunction> > inlined_closures_;
   MapSet deprecation_dependencies_;
   MapSet stability_dependencies_;
@@ skipping 127 matching lines @@
  private:
   InputIterator input_iterator_;
   DeepIterator env_iterator_;
 };
 
 class LInstruction;
 class LCodeGen;
 } }  // namespace v8::internal
 
 #endif  // V8_LITHIUM_H_