Refactoring BuildAllocateElements.

src/code-stubs-hydrogen.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 291 matching lines @@
 
   if_builder.BeginElse();
 
   HInstruction* elements =
       AddInstruction(new(zone) HLoadElements(js_array, js_array));
 
   HInstruction* elements_length =
       AddInstruction(new(zone) HFixedArrayBaseLength(elements));
 
   HValue* new_elements =
-      BuildAllocateElements(context(), to_kind, elements_length);
+      BuildAllocateAndInitializeElements(context(), to_kind, elements_length);
 
   BuildCopyElements(context(), elements,
                     casted_stub()->from_kind(), new_elements,
                     to_kind, array_length, elements_length);
 
   Factory* factory = isolate()->factory();
 
   AddInstruction(new(zone) HStoreNamedField(js_array,
                                             factory->elements_field_string(),
                                             new_elements, true,
@@ skipping 50 matching lines @@
   current_block()->MarkAsDeoptimizing();
   return GetParameter(0);
 }
 
 
 Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 } }  // namespace v8::internal