"Multiple alias this" status?

[Dukc]

On Tuesday, 8 November 2016 at 11:07:48 UTC, Daniel Kozak wrote:
> Dne 8.11.2016 v 11:37 Picaud Vincent via Digitalmars-d 
> napsal(a):
>
>> [snip]

> This feature has never been part of any D compiler.  As you can 
> see there is a pull request 3998 which trying to add this to D 
> frontend, but there is no activity for a few months.

Not quite true:

https://github.com/SDC-Developers/SDC/blob/master/test/runner/test0036.d

But of course, SDC is not considered a "stable" compiler.