[GSoC] Precise GC

[thedeemon via Digitalmars-d-announce]

On Friday, 2 September 2016 at 03:25:33 UTC, Jeremy DeHaan wrote:
> Hi everyone,
>
> I know I'm super late to the party for this, and sorry for 
> that. While my work on the precise GC didn't go as planned, it 
> is closer than it was to be getting merged.
>
> My open PR for the actual inclusion of the precise GC is here:
> https://github.com/dlang/druntime/pull/1603

So what's its current state, how is it different from the version 
Rainer had years ago? Is stack scan precise? Are closures scanned 
precisely? What about unions? We'd be happy to see some overview 
of this version, what it does and how it succeeds (or fails).