ghc 6.6.1: internal error: asyncRead# on threaded RTS
import Control.Monad (liftM)import Data.Char (isAlpha, toLower)import qualified Data.Map as Mimport qualified Data.ByteString.Lazy.Char8 as Bmain :: IO ()main = do a <- B.map toLower `liftM` B.readFile "data_capitals" B.putStrLn a
:l try1[1 of 1] Compiling Main ( try1.hs, interpreted )Ok, modules loaded: Main.*Main> main<interactive>: internal error: asyncRead# on threaded RTS (GHC version 6.6.1 for i386_unknown_mingw32) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabugThis application has requested the Runtime to terminate it in an unusual way.Please contact the application's support team for more information.