Arguments object has @@iterator

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 927386289ac392254281077665c980768294f946..bbfd443b7505380b9c04d826dcee6d32abeaec8c 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -6090,6 +6090,11 @@ RUNTIME_FUNCTION(Runtime_GetArgumentsProperty) {
 
   HandleScope scope(isolate);
   if (raw_key->IsSymbol()) {
+    Handle<Symbol> symbol = Handle<Symbol>::cast(raw_key);
+    if (FLAG_harmony_iteration &&
+        symbol->Equals(isolate->native_context()->iterator_symbol())) {
+      return isolate->native_context()->array_values_iterator();
+    }
     // Lookup in the initial Object.prototype object.
     Handle<Object> result;
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
@@ -6141,6 +6146,25 @@ RUNTIME_FUNCTION(Runtime_GetArgumentsProperty) {
 }
 
 
+RUNTIME_FUNCTION(Runtime_GetArgumentsBoilerplateObject) {
+  HandleScope scope(isolate);
+  ASSERT(args.length() == 1);
+  CONVERT_SMI_ARG_CHECKED(index, 0);
+  RUNTIME_ASSERT(isolate->bootstrapper()->IsActive());
+
+  switch (index) {
+    case 0:
+      return isolate->native_context()->sloppy_arguments_boilerplate();
+    case 1:
+      return isolate->native_context()->aliased_arguments_boilerplate();
+    case 2:
+      return isolate->native_context()->strict_arguments_boilerplate();
+    default:
+      return isolate->ThrowIllegalOperation();
+  }
+}
+
+
 RUNTIME_FUNCTION(Runtime_ToFastProperties) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);