Collect type feedback for power-of-2 right operands in BinaryOps.

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 1038 matching lines @@
   INLINE(bool IsFalse());
   inline bool IsArgumentsMarker();
   inline bool NonFailureIsHeapObject();
 
   // Filler objects (fillers and free space objects).
   inline bool IsFiller();
 
   // Extract the number.
   inline double Number();
   inline bool IsNaN();
+  bool ToInt32(int32_t* value);
+  bool ToUint32(uint32_t* value);
 
   inline Representation OptimalRepresentation() {
     if (FLAG_track_fields && IsSmi()) {
       return Representation::Smi();
     } else if (FLAG_track_double_fields && IsHeapNumber()) {
       return Representation::Double();
     } else if (FLAG_track_heap_object_fields && !IsUndefined()) {
       // Don't track undefined as heapobject because it's also used as temporary
       // value for computed fields that may turn out to be Smi. That combination
       // will go tagged, so go tagged immediately.
@@ skipping 8560 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_