As suggested in PR29652, a meta-bug for interfaces in fortran.
(In reply to comment #0)
> As suggested in PR29652, a meta-bug for interfaces in fortran.
Oh thanks, Daniel - I was going to do it myself, so you have saved me a bit of hassle. We have a brief break from work (for All Saints, of all things!) so I was going to try to understand where interfaces come from, and where they go to when they are bad. I was just writing FX about it this morning, in fact...