I suspect that when splitting the two we put the type-class one back to

#5395: Context reduction stack overflow without undecidable instances -------------------------------------+------------------------------------- Reporter: guest | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.0.4 Resolution: | Keywords: type family, Operating System: | termination Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: GHC | Difficulty: Unknown rejects valid program | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by nomeata): 20. Correct. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5395#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler