Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index ed266436f190d18637170c15226fa180cf314fe2..169475791d05ff9672dfff163ba14dde0506bea5 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3822,7 +3822,6 @@ inline void Code::set_is_crankshafted(bool value) {
 
 int Code::major_key() {
   ASSERT(kind() == STUB ||
-         kind() == UNARY_OP_IC ||
          kind() == BINARY_OP_IC ||
          kind() == COMPARE_IC ||
          kind() == COMPARE_NIL_IC ||
@@ -3837,7 +3836,6 @@ int Code::major_key() {
 
 void Code::set_major_key(int major) {
   ASSERT(kind() == STUB ||
-         kind() == UNARY_OP_IC ||
          kind() == BINARY_OP_IC ||
          kind() == COMPARE_IC ||
          kind() == COMPARE_NIL_IC ||
@@ -4027,21 +4025,6 @@ void Code::set_check_type(CheckType value) {
 }
 
 
-byte Code::unary_op_type() {
-  ASSERT(is_unary_op_stub());
-  return UnaryOpTypeField::decode(
-      READ_UINT32_FIELD(this, kKindSpecificFlags1Offset));
-}
-
-
-void Code::set_unary_op_type(byte value) {
-  ASSERT(is_unary_op_stub());
-  int previous = READ_UINT32_FIELD(this, kKindSpecificFlags1Offset);
-  int updated = UnaryOpTypeField::update(previous, value);
-  WRITE_UINT32_FIELD(this, kKindSpecificFlags1Offset, updated);
-}
-
-
 byte Code::to_boolean_state() {
   return extended_extra_ic_state();
 }