Avoiding __traits(getAttributes, ...) on alias

[Philippe Sigaud via Digitalmars-d-learn]

>   else // doesn't compile, member is not accessible error
>     foreach (type; __traits (getAttributes, mixin(`T.`~member)))
>       static if (is (type == attribute))
>         return true;
>   return false;

> Maybe its trying to use it inside of __traits that is causing it?

Maybe __traits is trying to extract attributes from the mixin
expression, before the mixin injection?
That looks like a bug to me, no?