[GHC] #2069: GHC crashes when both -shared and --make flags are specified

[GHC]

#2069: GHC crashes when both -shared and --make flags are specified
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    Reporter:  bchallenor  |       Owner:          
        Type:  bug         |      Status:  new     
    Priority:  normal      |   Component:  Compiler
     Version:  6.8.1       |    Severity:  normal  
    Keywords:              |    Testcase:          
Architecture:  x86         |          Os:  Windows 
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 I'm not even sure if you're meant to be able to do this, but I wanted to
 build a DLL without manually specifying the files, so I tried to do the
 build and the archiving in one step.

 But I get a panic:

 >ghc -shared --make LibFunslang
 ghc: panic! (the 'impossible' happened)
   (GHC version 6.8.1 for i386-unknown-mingw32):
         main/DriverPipeline.hs:(270,0)-(337,23): Non-exhaustive patterns
 in func
 tion link

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2069>
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