Handle array construction on native code

src/builtins.cc

Index: src/builtins.cc
===================================================================
--- src/builtins.cc	(revision 2894)
+++ src/builtins.cc	(working copy)
@@ -135,7 +135,9 @@
 BUILTIN_END
 
 
-BUILTIN(ArrayCode) {
+BUILTIN(ArrayCodeGeneric) {
+  Counters::array_function_runtime.Increment();
+
   JSArray* array;
   if (CalledAsConstructor()) {
     array = JSArray::cast(*receiver);
@@ -166,7 +168,7 @@
     // Take the argument as the length.
     obj = array->Initialize(0);
     if (obj->IsFailure()) return obj;
-    if (args.length() == 2) return array->SetElementsLength(args[1]);
+    return array->SetElementsLength(args[1]);
   }
 
   // Optimize the case where there are no parameters passed.