Use typefeedback for bitwise operations....

src/hydrogen-instructions.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 1237 matching lines @@
 HType HCompareJSObjectEq::CalculateInferredType() const {
   return HType::Boolean();
 }
 
 
 HType HUnaryPredicate::CalculateInferredType() const {
   return HType::Boolean();
 }
 
 
+HType HBitwiseBinaryOperation::CalculateInferredType() const {
+  return HType::TaggedNumber();
+}
+
+
 HType HArithmeticBinaryOperation::CalculateInferredType() const {
   return HType::TaggedNumber();
 }
 
 
 HType HAdd::CalculateInferredType() const {
   return HType::Tagged();
 }
 
 
@@ skipping 175 matching lines @@
 
 
 void HCheckPrototypeMaps::Verify() const {
   HInstruction::Verify();
   ASSERT(HasNoUses());
 }
 
 #endif
 
 } }  // namespace v8::internal