17:49
<bradleymeck>
EnumerableOwnPropertyNames does a GetOwnProperty to check for existence but then a 2nd lookup for grabbing the property (which may be deleted by GetOwnProperty), this looks like a bug?
17:56
<bradleymeck>
all the browsers implement it properly...
18:04
<bradleymeck>
shows up in https://gist.github.com/bmeck/ebf5a479bede31a3381a8bbaee2bf9d9 (blows up some stuff if you do it?)