Detecting exception unwinding

[Ola Fosheim Grøstad via Digitalmars-d-learn]

On Thursday, 4 February 2016 at 07:55:42 UTC, Ali Çehreli wrote:
> std::uncaught_exception used to be considered useless:
>
>   http://www.gotw.ca/gotw/047.htm
>
> Does that apply to D?

I've read that one, but Herb Sutter does not provide an argument, 
just a claim that having different semantics on the exceptional 
path to be somehow immoral.