#13780: Nightmarish pretty-printing of equality type in GHC 8.2 error message -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.2.1-rc2 checker) | Resolution: | Keywords: TypeInType Operating System: Unknown/Multiple | Architecture: Type of failure: Poor/confusing | Unknown/Multiple error message | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * cc: simonpj (added) Comment: This was caused by either commit 77bb09270c70455bbd547470c4e995707d19f37d ( Re-add FunTy (big patch)) or e368f3265b80aeb337fbac3f6a70ee54ab14edfd (Major patch to introduce TyConBinder). I can't know for sure since commit 77bb09270c70455bbd547470c4e995707d19f37d doesn't build properly. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13780#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler