Is anything being done about exceptions & nogc?

[weaselcat via Digitalmars-d]

On Friday, 10 April 2015 at 03:23:08 UTC, Adam D. Ruppe wrote:
> The most serious proposal I saw was making a reference counted 
> class hierarchy, parallel to the GC one, which would 
> automatically add and release reference. Then Throwable can 
> become one of those.
>
> Even Walter seems onboard so it might be implemented eventually.

is this related to or orthogonal to the recent class-ref 
proposals(DIP 74) from andrei and walter?