#14579: GeneralizedNewtypeDeriving produces ambiguously-kinded code -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: 8.10.1 Component: Compiler (Type | Version: 8.2.2 checker) | Resolution: | Keywords: deriving Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: GHC rejects | Test Case: valid program | deriving/should_compile/T14579{a} Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D4264, | Phab:D5229, Wiki Page: | https://gitlab.haskell.org/ghc/ghc/merge_requests/261 -------------------------------------+------------------------------------- Comment (by simonpj): To be clear * Phab:D4264 has landed (comment:9) * Phab:D5229 has landed (comment:19) So the only remaining issue is [https://gitlab.haskell.org/ghc/ghc/merge_requests/261 MR 261] "Fix #14579 by defining tyConAppNeedsKindSig, and using it" -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14579#comment:25 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler