Add DependentCode to PropertyCells

src/heap.cc

 // 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 2841 matching lines @@
 }
 
 
 MaybeObject* Heap::AllocatePropertyCell(Object* value) {
   Object* result;
   { MaybeObject* maybe_result = AllocateRawPropertyCell();
     if (!maybe_result->ToObject(&result)) return maybe_result;
   }
   HeapObject::cast(result)->set_map_no_write_barrier(
       global_property_cell_map());
-  PropertyCell::cast(result)->set_value(value);
-  PropertyCell::cast(result)->set_type(Type::None());
+  PropertyCell* cell = PropertyCell::cast(result);
+  cell->set_dependent_code(DependentCode::cast(empty_fixed_array()),
+                           SKIP_WRITE_BARRIER);
+  cell->set_value(value);
+  cell->set_type(Type::None());
   return result;
 }
 
 
 MaybeObject* Heap::AllocateBox(Object* value, PretenureFlag pretenure) {
   Box* result;
   MaybeObject* maybe_result = AllocateStruct(BOX_TYPE);
   if (!maybe_result->To(&result)) return maybe_result;
   result->set_value(value);
   return result;
@@ skipping 5238 matching lines @@
   if (FLAG_parallel_recompilation) {
     heap_->relocation_mutex_->Lock();
 #ifdef DEBUG
     heap_->relocation_mutex_locked_by_optimizer_thread_ =
         heap_->isolate()->optimizing_compiler_thread()->IsOptimizerThread();
 #endif  // DEBUG
   }
 }
 
 } }  // namespace v8::internal