GC-less Hash-Tables (AA)

["Nordlöw" via Digitalmars-d-learn]

On Wednesday, 17 September 2014 at 15:27:40 UTC, Justin Whear 
wrote:
> These containers are all certified GC-free.

Superb!

One question though:

AFAIK a builtin hash-table in D shouldn't require nor use any 
GC-allocations if the keys and values all have reference 
semantics right (no string class, nor member indirections)? What 
is the current status on this in dmd/druntime?