#8743: The impossible happened : Prelude.(!!): index too large ----------------------------------+--------------------------------------- Reporter: erikd | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.1-rc1 Keywords: | Operating System: Unknown/Multiple Architecture: x86_64 (amd64) | Type of failure: Compile-time crash Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+--------------------------------------- Running ghc git HEAD (reports it's version as 7.9.20140206) and when cabal installing postgresql-simple I get: {{{ ghc: panic! (the 'impossible' happened) (GHC version 7.9.20140206 for x86_64-unknown-linux): Prelude.(!!): index too large Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug cabal: Error: some packages failed to install: postgresql-simple-0.4.0.2 failed during the building phase. The exception was: }}} postgresql-simple-0.4.0.2 installs fine with 7.6.3. I'm going to compile 7.8-rc1 and see if the same problem exists there. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8743 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler