Make KeyedLoads from a sloppy arguments array use a handler.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index f9016f180b5b2aee5d33f7cbd4aec6607a23b1fb..3b31399a177c46d2541ebe55e0ff31b690c30bb9 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -82,6 +82,7 @@ namespace internal {
   /* IC Handler stubs */                    \
   V(LoadConstant)                           \
   V(LoadField)                              \
+  V(KeyedLoadSloppyArguments)               \
   V(StoreField)                             \
   V(StoreGlobal)                            \
   V(StringLength)
@@ -914,6 +915,20 @@ class LoadFieldStub: public HandlerStub {
 };
 
 
+class KeyedLoadSloppyArgumentsStub : public HandlerStub {
+ public:
+  explicit KeyedLoadSloppyArgumentsStub(Isolate* isolate)
+      : HandlerStub(isolate) {}
+
+ protected:
+  virtual Code::Kind kind() const { return Code::KEYED_LOAD_IC; }
+  virtual Code::StubType GetStubType() { return Code::FAST; }
+
+ private:
+  DEFINE_HANDLER_CODE_STUB(KeyedLoadSloppyArguments, HandlerStub);
+};
+
+
 class LoadConstantStub : public HandlerStub {
  public:
   LoadConstantStub(Isolate* isolate, int constant_index)