FYI Implementing 'super' keyword

src/code-stubs-hydrogen.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/code-stubs.h"
 #include "src/field-index.h"
 #include "src/hydrogen.h"
 #include "src/lithium.h"
@@ skipping 1286 matching lines @@
                         empty_fixed_array);
   Add<HStoreNamedField>(js_function, HObjectAccess::ForLiteralsPointer(),
                         empty_fixed_array);
   Add<HStoreNamedField>(js_function, HObjectAccess::ForPrototypeOrInitialMap(),
                         graph()->GetConstantHole());
   Add<HStoreNamedField>(js_function,
                         HObjectAccess::ForSharedFunctionInfoPointer(),
                         shared_info);
   Add<HStoreNamedField>(js_function, HObjectAccess::ForFunctionContextPointer(),
                         context());
+  Add<HStoreNamedField>(js_function,
+                        HObjectAccess::ForHomeObject(),
+                        Add<HConstant>(factory->undefined_value()));
 
   // Initialize the code pointer in the function to be the one
   // found in the shared function info object.
   // But first check if there is an optimized version for our context.
   if (FLAG_cache_optimized_code) {
     BuildInstallFromOptimizedCodeMap(js_function, shared_info, native_context);
   } else {
     BuildInstallCode(js_function, shared_info);
   }
 
@@ skipping 400 matching lines @@
   return Pop();
 }
 
 
 Handle<Code> KeyedLoadGenericStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 } }  // namespace v8::internal