correctly invalidate global cells

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 9b378b92bb5afa23726f719a2446c77817aeb31a..72b020efc284f31e8f037444af64f29915cfef22 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -2703,7 +2703,8 @@ void Genesis::TransferNamedProperties(Handle<JSObject> from,
           DCHECK(!to->HasFastProperties());
           // Add to dictionary.
           Handle<Object> callbacks(descs->GetCallbacksObject(i), isolate());
-          PropertyDetails d(details.attributes(), ACCESSOR_CONSTANT, i + 1);
+          PropertyDetails d(details.attributes(), ACCESSOR_CONSTANT, i + 1,
+                            PropertyCellType::kMutable);
           JSObject::SetNormalizedProperty(to, key, callbacks, d);
           break;
         }