#8775: GHC panic building postgresql-simple ----------------------------------+------------------------------ Reporter: r0ml | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.1-rc1 Keywords: | Operating System: MacOS X Architecture: x86_64 (amd64) | Type of failure: Other Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+------------------------------ For: cabal install postgresql-simple (for all versions of postgresql-simple since 0.3) on OSX Mavericks, I get the following: [14 of 32] Compiling Database.PostgreSQL.Simple.ToRow ( src/Database/PostgreSQL/Simple/ToRow.hs, dist/build/Database/PostgreSQL/Simple/ToRow.o ) ghc: panic! (the 'impossible' happened) (GHC version 7.8.20140130 for x86_64-apple-darwin): Prelude.(!!): index too large Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug This also failed to build with 7.6.3 for different reasons -- hence I installed and attempted 7.8.1 -- but the failure was more spectacular. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8775 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler