Lint has started emitting lots of warnings like this, when compiling libraries. Lint warning: case binder's type has no constructors ds_sPA5 V1 p_a7vb Does anyone have any idea why? Simon -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.haskell.org/pipermail/ghc-devs/attachments/20160415/10deeb79/attachment-0001.html>