Make KeyedLoads from a sloppy arguments array use a handler.

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 549cc20e4929a0dd727017e123a6aeb6c976444d..83b3cd1840a2c1ce5030c3f3d426943418c7f6cb 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -415,7 +415,6 @@ class KeyedLoadIC : public LoadIC {
   static void GenerateGeneric(MacroAssembler* masm);
   static void GenerateString(MacroAssembler* masm);
   static void GenerateIndexedInterceptor(MacroAssembler* masm);
-  static void GenerateSloppyArguments(MacroAssembler* masm);
 
   // Bit mask to be tested against bit field for the cases when
   // generic stub should go into slow case.
@@ -438,9 +437,6 @@ class KeyedLoadIC : public LoadIC {
   Handle<Code> indexed_interceptor_stub() {
     return isolate()->builtins()->KeyedLoadIC_IndexedInterceptor();
   }
-  Handle<Code> sloppy_arguments_stub() {
-    return isolate()->builtins()->KeyedLoadIC_SloppyArguments();
-  }
   Handle<Code> string_stub() {
     return isolate()->builtins()->KeyedLoadIC_String();
   }