• Ian Lynagh's avatar
    Give more informative error messages · f9460db8
    Ian Lynagh authored
    We used to just get
        ghc: panic! (the 'impossible' happened)
          (GHC version 6.13.20091128 for x86_64-unknown-linux):
            too few bytes. Failed reading at byte position 32753
    with no indication of what was being parsed.
    f9460db8