Variadic template parameters T... bounding

[Marc Schütz via Digitalmars-d-learn]

On Tuesday, 2 February 2016 at 13:52:55 UTC, Marc Schütz wrote:
> The last call should work IMO, but it doesn't. I believe that's 
> a compiler bug.

Filed:
https://issues.dlang.org/show_bug.cgi?id=15640