More cleanup related to setting array.length

src/builtins.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/api.h"
 #include "src/api-natives.h"
 #include "src/arguments.h"
 #include "src/base/once.h"
@@ skipping 427 matching lines @@
   Handle<JSArray> array = Handle<JSArray>::cast(receiver);
   DCHECK(!array->map()->is_observed());
 
   uint32_t len = static_cast<uint32_t>(Smi::cast(array->length())->value());
   if (len == 0) return isolate->heap()->undefined_value();
 
   if (JSArray::HasReadOnlyLength(array)) {
     return CallJsBuiltin(isolate, "$arrayPop", args);
   }
 
-  ElementsAccessor* accessor = array->GetElementsAccessor();
   uint32_t new_length = len - 1;
   Handle<Object> element;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, element, Object::GetElement(isolate, array, new_length));
 
-  RETURN_FAILURE_ON_EXCEPTION(
-      isolate,
-      accessor->SetLength(array, handle(Smi::FromInt(new_length), isolate)));
+  JSArray::SetLength(array, new_length);
   return *element;
 }
 
 
 BUILTIN(ArrayShift) {
   HandleScope scope(isolate);
   Heap* heap = isolate->heap();
   Handle<Object> receiver = args.receiver();
   MaybeHandle<FixedArrayBase> maybe_elms_obj =
       EnsureJSArrayWithWritableFastElements(isolate, receiver, NULL, 0);
@@ skipping 1187 matching lines @@
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 }  // namespace internal
 }  // namespace v8