Free the DMD backend

[Joakim via Digitalmars-d]

On Sunday, 29 May 2016 at 03:52:33 UTC, open-source-guy wrote:
> Hi,
>
> this is a short ping about one of D's weaknesses - the 
> restrictive license for the backend. IIRC [1, 2, 3] the status 
> is that because some parts have been written by Walter while he 
> was employed by Symantec, it can't get an open-source license.
> When I read the backend license [4], I read the following:
>
> [...]

It would be nice if that happened, but Walter has said Symantec 
isn't interested.  Aren't ldc and GDC enough?