void* pointers get corrupted: D bug or misunderstanding?

[Federico Santamorena]

On Monday, 29 July 2019 at 01:46:27 UTC, Exil wrote:
> On Sunday, 28 July 2019 at 18:32:24 UTC, Federico Santamorena 
> wrote:
>> [...]
>
> Where is the "D object" allocated? Haven't seen anyone mention 
> it, but the way the GC works, it has to know about the memory 
> it needs to scan to look for an object.
>
> So if you pass an object allocated with the GC then pass it to 
> GTK, the GC isn't going to know about the memory GTK has 
> allocate. The kind of problem can happen that you mention, it 
> deallocates the object because it doesn't think it is used 
> anymore.

I even tried GC.disable().

The void* pointer still gets corrupted