Known reasons why D crashes without any message?

[Swoorup Joshi via Digitalmars-d]

On Wednesday, 13 September 2017 at 10:20:48 UTC, Thorsten Sommer 
wrote:
> Dear Community,
>
> My student assistant and I working on an artificial 
> intelligence library in D for a while. This library is part of 
> my PhD thesis in order to perform several experiments to push 
> the state of the art.
>
> [...]

I had the same issue trying to use the std.experimental.xml 
library.

* Ran an example
* Crashes at some posix, C library writing to a file.
* Gave up, now looking at other programming language (rust)