Make sure HCallNewArray uses right ElementsKind

src/hydrogen-instructions.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 2470 matching lines @@
   HValue* context() { return first(); }
   HValue* constructor() { return second(); }
 
   DECLARE_CONCRETE_INSTRUCTION(CallNew)
 };
 
 
 class HCallNewArray: public HCallNew {
  public:
   HCallNewArray(HValue* context, HValue* constructor, int argument_count,
-                Handle<Cell> type_cell)
+                Handle<Cell> type_cell, ElementsKind elements_kind)
       : HCallNew(context, constructor, argument_count),
-        type_cell_(type_cell) {
-    elements_kind_ = static_cast<ElementsKind>(
-        Smi::cast(type_cell->value())->value());
-  }
+        elements_kind_(elements_kind),
+        type_cell_(type_cell) {}
 
   Handle<Cell> property_cell() const {
     return type_cell_;
   }
 
   ElementsKind elements_kind() const { return elements_kind_; }
 
   DECLARE_CONCRETE_INSTRUCTION(CallNewArray)
 
  private:
@@ skipping 4134 matching lines @@
   virtual bool IsDeletable() const { return true; }
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_