Go 1.5

[Ola Fosheim Grøstad via Digitalmars-d-announce]

On Saturday, 19 September 2015 at 14:12:10 UTC, Rory McGuire 
wrote:
> The impression I got reading the article was that their GC was 
> very much like our current one except that the marking part of 
> the algorithm was run concurrently.

It is quite different. As mentioned they also protect writes to 
pointers with GC semantics. In D this will be very difficult to 
get right due to the unsafe regions (e.g. inline asm etc).

Go has a compiler backend tailored to their semantics.