#13244: Error Dealing with Unboxed Types and Type Families ----------------------------------------+--------------------------------- Reporter: sgschlesinger | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Keywords: pprIfaceCo | Operating System: Linux Architecture: Unknown/Multiple | Type of failure: None/Unknown Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: ----------------------------------------+--------------------------------- Hello, I was playing with unboxed types and this happened: [2 of 2] Compiling Data.Unbox ( Data/Unbox.hs, .stack- work/dist/x86_64-linux/Cabal-1.24.0.0/build/Data/Unbox.o ) ghc: panic! (the 'impossible' happened) (GHC version 8.0.1 for x86_64-unknown-linux): pprIfaceCo I will attach the relevant file. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13244 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler