Introduce raw accessors for type_feedback_info.

src/objects.h

 // Copyright 2012 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 4997 matching lines @@
   // [relocation_info]: Code relocation information
   DECL_ACCESSORS(relocation_info, ByteArray)
   void InvalidateRelocation();
 
   // [handler_table]: Fixed array containing offsets of exception handlers.
   DECL_ACCESSORS(handler_table, FixedArray)
 
   // [deoptimization_data]: Array containing data for deopt.
   DECL_ACCESSORS(deoptimization_data, FixedArray)
 
-  // [type_feedback_info]: This field stores various things, depending on the
-  // kind of the code object.
+  // [raw_type_feedback_info]: This field stores various things, depending on
+  // the kind of the code object.
   //   FUNCTION           => type feedback information.
   //   STUB               => various things, e.g. a SMI
   //   OPTIMIZED_FUNCTION => the next_code_link for optimized code list.
-  DECL_ACCESSORS(type_feedback_info, Object)
-  inline void InitializeTypeFeedbackInfoNoWriteBarrier(Object* value);
+  DECL_ACCESSORS(raw_type_feedback_info, Object)
+  inline Object* type_feedback_info();
+  inline void set_type_feedback_info(
+      Object* value, WriteBarrierMode mode = UPDATE_WRITE_BARRIER);
   inline int stub_info();
   inline void set_stub_info(int info);
 
   // [next_code_link]: Link for lists of optimized or deoptimized code.
   // Note that storage for this field is overlapped with typefeedback_info.
   DECL_ACCESSORS(next_code_link, Object)
 
   // [gc_metadata]: Field used to hold GC related metadata. The contents of this
   // field does not have to be traced during garbage collection since
   // it is only used by the garbage collector itself.
@@ skipping 5405 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_