Weird bugs in DMD 2.81.0

[Basile B.]

On Saturday, 7 July 2018 at 02:21:31 UTC, solidstate1991 wrote:
> I'll upload code tomorrow, but here's the premise:
>
> Sometimes elements disappear from associative arrays, causing 
> all sorts of errors down the line, mostly access violations.

Hello, what you describe makes me think to what happens when the 
GC phagocytes managed members of aggregates that are not on the 
GC heap. By any chance are the AA values classes allocated with a 
custom allocator ?