#9193: GHC panic usinig HList and Lens -------------------------------+------------------------------------------- Reporter: maxigit | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: | Architecture: x86 Unknown/Multiple | Difficulty: Easy (less than 1 hour) Type of failure: GHCi crash | Blocked By: Test Case: | Related Tickets: Blocking: | -------------------------------+------------------------------------------- Comment (by maxigit): There is only one line of code ... I get the following error message {{{ ghc: panic! (the 'impossible' happened) (GHC version 7.6.3 for x86_64-apple-darwin): lookupVers2 <<details unavailable>> Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} So I did I. As I said I tried with 7.8.2 but I couldn't install some dependencies which are mainly text and distributive :-( -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9193#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler