Pretenure code generation corner case with new space COW arrays.

src/factory.cc

 // Copyright 2013 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 869 matching lines @@
                      src->GetElementsTransitionMap(i, elements_kind),
                      Map);
 }
 
 
 Handle<FixedArray> Factory::CopyFixedArray(Handle<FixedArray> array) {
   CALL_HEAP_FUNCTION(isolate(), array->Copy(), FixedArray);
 }
 
 
+Handle<FixedArray> Factory::CopyAndTenureFixedCOWArray(
+    Handle<FixedArray> array) {
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->CopyAndTenureFixedCOWArray(*array),
+                     FixedArray);
+}
+
+
 Handle<FixedArray> Factory::CopySizeFixedArray(Handle<FixedArray> array,
                                                int new_length,
                                                PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(isolate(),
                      array->CopySize(new_length, pretenure),
                      FixedArray);
 }
 
 
 Handle<FixedDoubleArray> Factory::CopyFixedDoubleArray(
@@ skipping 1091 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal