The impossible happened
ghc: panic! (the 'impossible' happened)
(GHC version 6.12.1 for i386-apple-darwin):
thread blocked indefinitely in an MVar operation
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
ghc: panic! (the 'impossible' happened)
(GHC version 6.12.1 for i386-apple-darwin):
thread blocked indefinitely in an MVar operation
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug