Issues with debugging GC-related crashes #2

[Dmitry Olshansky]

On Friday, 20 April 2018 at 19:32:24 UTC, Matthias Klumpp wrote:
> On Friday, 20 April 2018 at 18:30:30 UTC, Matthias Klumpp wrote:
>> [...]
>
> Turns out that was indeed the case! I created a small testcase 
> which managed to very reliably reproduce the issue on all 
> machines that I tested it on. After reordering the 
> dispose/removeRange, the crashes went away completely.
> I submitted a pull request to the containers library to fix 
> this issue: 
> https://github.com/dlang-community/containers/pull/107

Partly dumb luck on my part since I opened hashmap file first 
just to see if there are some mistakes in GC.add/removeRange, and 
it was a hit. I just assumed it was wrong everywhere else ;)

Glad it was that simple. Thanks for fixing it for good.

>
> Thanks a lot for the help in debugging this, I learned a lot 
> about DRuntime internals in the process. Also, it is no 
> exaggeration to say that the appstream-generator project would 
> not be written in D (there was a Rust prototype once...) and I 
> would probably not be using D as much (or at all) without the 
> helpful community around it.
> Thank you :-)