[builtins] implement Array.prototype[@@iterator] in TFJ builtins

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index e3fe381abefd0b5fd636f3dd4e4d1cfbf5517c5f..3ed658d0b91306b90d1c0e24a0ae7e51648c7578 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1096,7 +1096,7 @@ Object* Isolate::Throw(Object* exception, MessageLocation* location) {
       location = &computed_location;
     }
 
-    if (bootstrapper()->IsActive()) {
+    if (false && bootstrapper()->IsActive()) {
       // It's not safe to try to make message objects or collect stack traces
       // while the bootstrapper is active since the infrastructure may not have
       // been properly initialized.