[GHC] #3915: GHC panic; possibly related to mutually recursive modules

[GHC]

#3915: GHC panic; possibly related to mutually recursive modules
-----------------------+----------------------------------------------------
    Reporter:  bob     |       Owner:                                      
        Type:  bug     |      Status:  new                                 
    Priority:  normal  |   Component:  Compiler                            
     Version:  6.12.1  |    Keywords:  GHC panic mutually recursive modules
          Os:  Linux   |    Testcase:                                      
Architecture:  x86     |     Failure:  GHC doesn't work at all             
-----------------------+----------------------------------------------------
 GHC panics when an instance block is uncommented in State.hs in http
 ://patch-tag.com/r/bob/Domination.  The attached patch uncomments it.   It
 might be related to mutually recursive modules.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3915>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler