New pointer type for GC

[Etienne Cimon via Digitalmars-d]

On 2014-05-26 22:52, Etienne Cimon wrote:
> 2- For reference pointers to a GC pointer, &void' would add a thread ID
> and magic number to better identify them during collection, and to avoid
> stopping the whole world to dereference them

Forgot to mention, but this not only avoids stopping the whole world, 
but also allows parallel collection (multi-threading).