Support all fast elements kinds in the major array operations.

src/factory.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 950 matching lines @@
 }
 
 
 Handle<JSArray> Factory::NewJSArrayWithElements(Handle<FixedArrayBase> elements,
                                                 ElementsKind elements_kind,
                                                 PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSArrayWithElements(*elements,
                                                      elements_kind,
+                                                     elements->length(),
                                                      pretenure),
       JSArray);
 }
 
 
 void Factory::SetElementsCapacityAndLength(Handle<JSArray> array,
                                            int capacity,
                                            int length) {
   ElementsAccessor* accessor = array->GetElementsAccessor();
   CALL_HEAP_FUNCTION_VOID(
@@ skipping 458 matching lines @@
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return Handle<Object>(value
                         ? isolate()->heap()->true_value()
                         : isolate()->heap()->false_value());
 }
 
 
 } }  // namespace v8::internal