Move code setting super type of class Object to null from object.cc to parser.cc

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 1065 matching lines @@
   type = Type::NewNonParameterizedType(cls);
   object_store->set_dynamic_type(type);
 
   // Finish the initialization by compiling the bootstrap scripts containing the
   // base interfaces and the implementation of the internal classes.
   const Error& error = Error::Handle(Bootstrap::LoadandCompileScripts());
   if (!error.IsNull()) {
     return error.raw();
   }
 
-  // Remove the Object superclass cycle by setting the super type to null (not
-  // to the type of null).
-  cls = object_store->object_class();
-  cls.set_super_type(AbstractType::Handle());
-
   ClassFinalizer::VerifyBootstrapClasses();
   MarkInvisibleFunctions();
 
   // Set up the intrinsic state of all functions (core, math and scalar list).
   Intrinsifier::InitializeState();
 
   return Error::null();
 }
 
 
@@ skipping 12301 matching lines @@
                                     space);
   return reinterpret_cast<RawWeakProperty*>(raw);
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart