-
Ryan Scott authored
Under certain circumstances, `GeneralizedNewtypeDeriving` can emit code which uses unboxed tuple types, but if `UnboxedTuples` wasn't enabled, the error message that GHC gave didn't make it very clear that it could be worked around by explicitly enabling the extension. Easily fixed. Test Plan: make test TEST=T15073 Reviewers: bgamari Reviewed By: bgamari Subscribers: simonpj, thomie, carter GHC Trac Issues: #15073 Differential Revision: https://phabricator.haskell.org/D4620
0c7db226