Make KeyedLoads from a sloppy arguments array use a handler.

src/ic/ic.cc

 // Copyright 2012 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/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/bits.h"
@@ skipping 1169 matching lines @@
 
   if (key->IsInternalizedString() || key->IsSymbol()) {
     ASSIGN_RETURN_ON_EXCEPTION(isolate(), load_handle,
                                LoadIC::Load(object, Handle<Name>::cast(key)),
                                Object);
   } else if (FLAG_use_ic && !object->IsAccessCheckNeeded()) {
     if (object->IsString() && key->IsNumber()) {
       if (state() == UNINITIALIZED) stub = string_stub();
     } else if (object->IsJSObject()) {
       Handle<JSObject> receiver = Handle<JSObject>::cast(object);
-      if (receiver->elements()->map() ==
-          isolate()->heap()->sloppy_arguments_elements_map()) {
-        stub = sloppy_arguments_stub();
-      } else if (!Object::ToSmi(isolate(), key).is_null() &&
-                 (!target().is_identical_to(sloppy_arguments_stub()))) {
+      if (!Object::ToSmi(isolate(), key).is_null()) {
         stub = LoadElementStub(receiver);
       }
     }
   }
 
   if (!is_target_set()) {
     Code* generic = *generic_stub();
     if (*stub == generic) {
       TRACE_GENERIC_IC(isolate(), "KeyedLoadIC", "set generic");
     }
@@ skipping 1443 matching lines @@
 static const Address IC_utilities[] = {
 #define ADDR(name) FUNCTION_ADDR(name),
     IC_UTIL_LIST(ADDR) NULL
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) { return IC_utilities[id]; }
 }
 }  // namespace v8::internal