Weak references.

[Jarrett Billingsley]

"Jarrett Billingsley" <kb3ctd2 at yahoo.com> wrote in message 
news:fttdej$1nfs$1 at digitalmars.com...
> "Sean Kelly" <sean at invisibleduck.org> wrote in message 
> news:fttd02$1mp1$1 at digitalmars.com...
>>
>> Are these tables AAs?  And how do the weak references store their 
>> reference?
>> The type information provided to AAs is a bit weak, and so some 
>> non-pointer
>> data is currently still scanned by the GC.  I'm going to improve this a 
>> bit in the
>> next Tango release, but it still won't be perfect (because the compiler 
>> doesn't
>> provide enough info for it to be).
>
> In my tests I've just been doing
>
> auto weakref = new WeakRef!(A)(new A);
>
> and then checking that after doing god-knows-what to try to get it to 
> collect that instance of A, so it's not even that I'm doing anything that 
> crazy.
>

Testing my code in Linux causes a crash in glibc's free() after the program 
exits.  (And the assertion still fails.)

Something really weird is happening.