Avoid adding HWrapReceiver during graph building.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 16476a9c5a95c2b9a1bcca90e388255d7d25438b..1400a2c8c655d932c4f1c81c59588ca53eb24776 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -3187,11 +3187,6 @@ HType HStringCharFromCode::CalculateInferredType() {
 }
 
 
-HType HAllocate::CalculateInferredType() {
-  return type_;
-}
-
-
 void HAllocate::HandleSideEffectDominator(GVNFlag side_effect,
                                           HValue* dominator) {
   ASSERT(side_effect == kChangesNewSpacePromotion);