Use a separate marker value to allocate the arguments object on deoptimzation...

src/heap.cc

 // Copyright 2010 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 1993 matching lines @@
   { MaybeObject* maybe_obj = CreateOddball("false", Smi::FromInt(0));
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   set_false_value(obj);
 
   { MaybeObject* maybe_obj = CreateOddball("hole", Smi::FromInt(-1));
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   set_the_hole_value(obj);
 
+  { MaybeObject* maybe_obj = CreateOddball("arguments_marker",
+                                           Smi::FromInt(-4));
+    if (!maybe_obj->ToObject(&obj)) return false;
+  }
+  set_arguments_marker(obj);
+
   { MaybeObject* maybe_obj =
         CreateOddball("no_interceptor_result_sentinel", Smi::FromInt(-2));
     if (!maybe_obj->ToObject(&obj)) return false;
   }
   set_no_interceptor_result_sentinel(obj);
 
   { MaybeObject* maybe_obj =
         CreateOddball("termination_exception", Smi::FromInt(-3));
     if (!maybe_obj->ToObject(&obj)) return false;
   }
@@ skipping 3506 matching lines @@
 void ExternalStringTable::TearDown() {
   new_space_strings_.Free();
   old_space_strings_.Free();
 }
 
 
 List<Object*> ExternalStringTable::new_space_strings_;
 List<Object*> ExternalStringTable::old_space_strings_;
 
 } }  // namespace v8::internal