having a trivial anonymous function call in template prevents compilation?

[Cauterite via Digitalmars-d-learn]

On Wednesday, 17 August 2016 at 13:33:26 UTC, Steven 
Schveighoffer wrote:
> I think the OP's case is a bug. Please file.

Thanks, I've filed it. Just wanted to get a second opinion before 
concluding that it's a bug.