#14932: DeriveAnyClass produces unjustifiably untouchable unification variables -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.4.1 checker) | Resolution: | Keywords: deriving Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: #13272 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): Well, I do have a patch. But I also recently noticed the existence of #14933, which shares many similar characteristics with this issue, and now I'm wondering if perhaps I should clean up GHC's approach to `DeriveAnyClass` further to nail both bugs at once. Let me see how far I get... -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14932#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler