Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/ic.h

Index: src/ic.h
diff --git a/src/ic.h b/src/ic.h
index 7820d407ec138a781f436fcd4fc3488c3597cd2b..fcf0de58f1a85e7694cffaa68fc062fe45ab24fa 100644
--- a/src/ic.h
+++ b/src/ic.h
@@ -714,14 +714,6 @@ class KeyedStoreIC: public StoreIC {
 };
 
 
-class UnaryOpIC: public IC {
- public:
-  explicit UnaryOpIC(Isolate* isolate) : IC(EXTRA_CALL_FRAME, isolate) { }
-
-  MUST_USE_RESULT MaybeObject* Transition(Handle<Object> object);
-};
-
-
 // Type Recording BinaryOpIC, that records the types of the inputs and outputs.
 class BinaryOpIC: public IC {
  public: