Make KeyedLoads from a sloppy arguments array use a handler.

src/ic/handler-compiler.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic.h"
 #include "src/ic/ic-inl.h"
@@ skipping 372 matching lines @@
 
     if ((receiver_map->instance_type() & kNotStringTag) == 0) {
       cached_stub = isolate()->builtins()->KeyedLoadIC_String();
     } else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) {
       cached_stub = isolate()->builtins()->KeyedLoadIC_Slow();
     } else {
       bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE;
       ElementsKind elements_kind = receiver_map->elements_kind();
       if (receiver_map->has_indexed_interceptor()) {
         cached_stub = LoadIndexedInterceptorStub(isolate()).GetCode();
+      } else if (IsSloppyArgumentsElements(elements_kind)) {
+        cached_stub = KeyedLoadSloppyArgumentsStub(isolate()).GetCode();
       } else if (IsFastElementsKind(elements_kind) ||
                  IsExternalArrayElementsKind(elements_kind) ||
                  IsFixedTypedArrayElementsKind(elements_kind)) {
         cached_stub = LoadFastElementStub(isolate(), is_js_array, elements_kind)
                           .GetCode();
-      } else if (elements_kind == SLOPPY_ARGUMENTS_ELEMENTS) {
-        cached_stub = isolate()->builtins()->KeyedLoadIC_SloppyArguments();
       } else {
         DCHECK(elements_kind == DICTIONARY_ELEMENTS);
         cached_stub = LoadDictionaryElementStub(isolate()).GetCode();
       }
     }
 
     handlers->Add(cached_stub);
   }
 }
 }
 }  // namespace v8::internal