Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/ic.cc

Index: src/ic.cc
diff --git a/src/ic.cc b/src/ic.cc
index a55160a394e7f362842e70fb95cd30e65646a7fd..0bbf7a22f531408907cd7415bbb93af650a48d2e 100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -2589,27 +2589,6 @@ void BinaryOpIC::StubInfoToType(int minor_key,
 }
 
 
-MaybeObject* UnaryOpIC::Transition(Handle<Object> object) {
-  Code::ExtraICState extra_ic_state = target()->extended_extra_ic_state();
-  UnaryOpStub stub(extra_ic_state);
-
-  stub.UpdateStatus(object);
-
-  Handle<Code> code = stub.GetCode(isolate());
-  set_target(*code);
-
-  return stub.Result(object, isolate());
-}
-
-
-RUNTIME_FUNCTION(MaybeObject*, UnaryOpIC_Miss) {
-  HandleScope scope(isolate);
-  Handle<Object> object = args.at<Object>(0);
-  UnaryOpIC ic(isolate);
-  return ic.Transition(object);
-}
-
-
 static BinaryOpIC::TypeInfo TypeInfoFromValue(Handle<Object> value,
                                               Token::Value op) {
   v8::internal::TypeInfo type = v8::internal::TypeInfo::FromValue(value);