[stubs] Port FastNewObjectStub to TF

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index bc52746df56e133a1783a8fdf11a57a14ed76e61..7d48cb15e221e16cac4cae154da3de008e4c4f65 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -371,8 +371,8 @@ Callable CodeFactory::FastNewClosure(Isolate* isolate) {
 
 // static
 Callable CodeFactory::FastNewObject(Isolate* isolate) {
-  FastNewObjectStub stub(isolate);
-  return make_callable(stub);
+  return Callable(isolate->builtins()->FastNewObject(),
+                  FastNewObjectDescriptor(isolate));
 }
 
 // static