GSoC 2016 - Precise GC

[Jack Stouffer via Digitalmars-d-announce]

On Tuesday, 3 May 2016 at 16:15:27 UTC, Jeremy DeHaan wrote:
> I agree, but a precise heap scan should be the easiest part of 
> this project. Rainer Schuetze has already implemented this and 
> presented it at a dconf a few years ago(2013?). My plan is to 
> use that since I know it works, and that frees up my time to 
> focus on pretty much everything else.

I don't remember all the details, but I'm pretty sure that 
Rainer, or maybe someone else, was talking about how a precise GC 
is not completely possible in D because D has unions.