[dmd-internals] Giving better static data limits to the GC

[Walter Bright]

Having a precise collector requires the compiler to emit the tables for it.

Andrei Alexandrescu wrote:
> I'm thinking - it's been the hallmark of druntime (vs. Phobos1) for 
> the longest time that it has a configurable GC. How about this - let's 
> make the precise GC a custom collector. This would allow us to (a) 
> compare the existing GC with the proposed GC and (b) tune druntime's 
> details with a real-world alternate GC.
>
> Is that all possible?
>
> Andrei
>