Weird bug in IFTI

[John Colvin]

On Tuesday, 30 July 2013 at 22:22:38 UTC, JS wrote:
> http://dpaste.dzfl.pl/cdabf9fa
>
> But adding one more parameter gives an error!
>
> http://dpaste.dzfl.pl/a5cfac37
>
> Template has no effect simply because I added an parameter with 
> a default?!?!?!?

Definitely some compiler logic problems there with the error 
message at least.


What I'd like to see:

pragma(msg) should be immune from "has no effect" errors as it 
does have an observable effect at compile-time.