Better error message for endless recursion (or other segfaults) on linux

[ryuukk_]

On Saturday, 17 June 2023 at 23:01:30 UTC, Dennis wrote:
> On Saturday, 17 June 2023 at 22:52:42 UTC, ryuukk_ wrote:
>> https://github.com/ryuukk/backtraced/
>
> Nice work, though I can't use it, since the GPL license isn't 
> compatible with D's boost license.

It's supposed to be public domain, i picked what ever github 
suggested at the time, i just changed it to CC0