What is the point of nothrow?

[Kagamin]

On Wednesday, 13 June 2018 at 02:02:54 UTC, wjoe wrote:
> it is possible to install a signal handler for almost every 
> signal on POSIX, including segfault. The only signal you can't 
> catch is signal 9 - sigkill if memory serves.
> So I could for instance install a clean up handler on a 
> segfault via memset, or a for loop, and then terminate.

What will you do with this? 
https://github.com/dlang/druntime/blob/master/src/core/internal/abort.d