Fix keyed access of primitive objects in the runtime.

src/objects.cc

 // Copyright 2013 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 <iomanip>
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 12308 matching lines @@
 void JSObject::ValidateElements(Handle<JSObject> object) {
 #ifdef ENABLE_SLOW_DCHECKS
   if (FLAG_enable_slow_asserts) {
     ElementsAccessor* accessor = object->GetElementsAccessor();
     accessor->Validate(object);
   }
 #endif
 }
 
 
-// static
-MaybeHandle<Object> JSReceiver::SetElement(Handle<JSReceiver> object,
-                                           uint32_t index, Handle<Object> value,
-                                           LanguageMode language_mode) {
-  Isolate* isolate = object->GetIsolate();
-  LookupIterator it(isolate, object, index);
-  return SetProperty(&it, value, language_mode, MAY_BE_STORE_FROM_KEYED);
-}
-
-
 static bool ShouldConvertToSlowElements(JSObject* object, uint32_t capacity,
                                         uint32_t index,
                                         uint32_t* new_capacity) {
   STATIC_ASSERT(JSObject::kMaxUncheckedOldFastElementsLength <=
                 JSObject::kMaxUncheckedFastElementsLength);
   if (index < capacity) {
     *new_capacity = capacity;
     return false;
   }
   if (index - capacity >= JSObject::kMaxGap) return true;
@@ skipping 3777 matching lines @@
                                             Handle<Object> new_value) {
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 }  // namespace internal
 }  // namespace v8