std.Algebraic alias this

[Nicholas Wilson via Digitalmars-d-learn]

On Monday, 5 October 2015 at 11:31:32 UTC, Radu wrote:
> There is a weird rule on how compiler treats alias this for the 
> N and S types bellow.
>
> [...]

Please file a bug report.

Also do the errors change if you reverse the order in T i.e. 
alias T = Algebraic!(S,N); ?