Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 02517351b149f7531d58a10c6b99c6b930cbb419..8721656634c87575142e2f446fbfbd05ba80caf4 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -250,17 +250,6 @@ void ToBooleanStub::InitializeInterfaceDescriptor(
 }
 
 
-void UnaryOpStub::InitializeInterfaceDescriptor(
-    Isolate* isolate,
-    CodeStubInterfaceDescriptor* descriptor) {
-  static Register registers[] = { eax };
-  descriptor->register_param_count_ = 1;
-  descriptor->register_params_ = registers;
-  descriptor->deoptimization_handler_ =
-      FUNCTION_ADDR(UnaryOpIC_Miss);
-}
-
-
 void StoreGlobalStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {