Add --noclever-optimizations to disable some things that have

src/handles.cc

 // Copyright 2011 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 172 matching lines @@
   // If no properties are added in the constructor, they are more likely
   // to be added later.
   if (estimate == 0) estimate = 2;
 
   // We do not shrink objects that go into a snapshot (yet), so we adjust
   // the estimate conservatively.
   if (Serializer::enabled()) return estimate + 2;
 
   // Inobject slack tracking will reclaim redundant inobject space later,
   // so we can afford to adjust the estimate generously.
-  return estimate + 8;
+  if (FLAG_clever_optimizations) {
+    return estimate + 8;
+  } else {
+    return estimate + 3;
+  }
 }
 
 
 void SetExpectedNofPropertiesFromEstimate(Handle<SharedFunctionInfo> shared,
                                           int estimate) {
   // See the comment in SetExpectedNofProperties.
   if (shared->live_objects_may_exist()) return;
 
   shared->set_expected_nof_properties(
       ExpectedNofPropertiesFromEstimate(estimate));
@@ skipping 734 matching lines @@
 
 bool CompileOptimized(Handle<JSFunction> function,
                       int osr_ast_id,
                       ClearExceptionFlag flag) {
   CompilationInfo info(function);
   info.SetOptimizing(osr_ast_id);
   return CompileLazyHelper(&info, flag);
 }
 
 } }  // namespace v8::internal