id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
5662	GHCi crashes in context of banana bracket in arrow notation	Duschvorhang		"Loading the attached haskell file in GHCi results in the following message. Compiling with ghc however is successful.

ghc.exe: panic! (the 'impossible' happened)
  (GHC version 7.0.3 for i386-unknown-mingw32):
	addTickHsExpr
    (|/\(@ a{tv ayK} [sk]).
      (arrows-0.4.4.0:Control.Arrow.Transformer.State.runState{v rgG} [gid])
      @ arr{tv ayH} [sk]
      @ ghc-prim:GHC.Types.Int{(w) tc 3J}
      @ a{tv ayK} [sk]
      @ ghc-prim:GHC.Types.Int{(w) tc 3J}
        $dArrow{v aCr} [lid]
        (((main:Main.goodArrow{v rp6} [lid])
          @ (arrows-0.4.4.0:Control.Arrow.Transformer.State.StateArrow{tc rgD}
               ghc-prim:GHC.Types.Int{(w) tc 3J} arr{tv ayH} [sk])
            $dArrowState{v aCs} [lid] -< b{v apd} [lid]))|)
"	bug	closed	normal		GHCi	7.0.3	duplicate			Windows	x86	GHCi crash