I guess this is a bug?

[Random D user via Digitalmars-d-learn]

On Saturday, 12 September 2015 at 18:28:02 UTC, Random D user 
wrote:
> or is it some obscure feature conflict?
>
> [...]

Oh... and I'm using win 64-bit and dmd 2.068.1, but this behavior 
was present earlier than that...