Closed Issue: [BUG] [V8] Crash when a JavaScript proxy targets a host object [116]

The native value export code doesn't recognize the proxy and crashes when it fails to retrieve the internal field.
Comments: Fixed in [Version 5.4.9](https://clearscript.codeplex.com/SourceControl/changeset/a7ba104b2788b497eb32fa6b7794b9261ceacf91).