- Optimized JSArray allocation in runtime system by using NewJSArrayWithEleme...

src/factory.cc

Index: src/factory.cc
===================================================================
--- src/factory.cc	(revision 478)
+++ src/factory.cc	(working copy)
@@ -283,10 +283,12 @@
 Handle<Object> Factory::NewError(const char* maker, const char* type,
     Vector< Handle<Object> > args) {
   HandleScope scope;
-  Handle<JSArray> array = NewJSArray(args.length());
-  for (int i = 0; i < args.length(); i++)
-    SetElement(array, i, args[i]);
-  Handle<Object> result = NewError(maker, type, array);
+  Handle<FixedArray> array = Factory::NewFixedArray(args.length());
+  for (int i = 0; i < args.length(); i++) {
+    array->set(i, *args[i]);
+  }
+  Handle<JSArray> object = Factory::NewJSArrayWithElements(array);
+  Handle<Object> result = NewError(maker, type, object);
   return result.EscapeFrom(&scope);
 }