There is a proposal about that https://github.com/ghc-proposals/ghc-proposals/pull/43

Thanks for the link. Added my 2 cents there: https://github.com/ghc-proposals/ghc-proposals/pull/43#issuecomment-276283404

While this is being considered for inclusion in core GHC, can a linter help, in the meantime?

-- Saurabh.