Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 288e18f32795c698ace766e6dfda05e89dea29d5..98a835fd1a5adb0b3b461a92edd452a49566020a 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -246,17 +246,6 @@ void InternalArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
 }
 
 
-void UnaryOpStub::InitializeInterfaceDescriptor(
-    Isolate* isolate,
-    CodeStubInterfaceDescriptor* descriptor) {
-  static Register registers[] = { r0 };
-  descriptor->register_param_count_ = 1;
-  descriptor->register_params_ = registers;
-  descriptor->deoptimization_handler_ =
-      FUNCTION_ADDR(UnaryOpIC_Miss);
-}
-
-
 void StoreGlobalStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {