[GHC] #7887: panic when playing with pipes

[GHC]

#7887: panic when playing with pipes
-----------------------------+----------------------------------------------
Reporter:  bfr               |          Owner:                  
    Type:  bug               |         Status:  new             
Priority:  normal            |      Component:  Compiler        
 Version:  7.6.3             |       Keywords:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown      |      Blockedby:                  
Blocking:                    |        Related:                  
-----------------------------+----------------------------------------------

Comment(by bfr):

 Oops, my code was garbled, please see attached file for correctly
 formatted code.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7887#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler