[GHC] #4203: ghc-6.12.3 fails to compile xmonad-0.9.1 tests

[GHC]

#4203: ghc-6.12.3 fails to compile xmonad-0.9.1 tests
---------------------------------+------------------------------------------
    Reporter:  slyfox            |        Owner:                    
        Type:  bug               |       Status:  new               
    Priority:  normal            |    Milestone:                    
   Component:  Compiler          |      Version:  6.12.3            
    Keywords:                    |   Difficulty:                    
          Os:  Unknown/Multiple  |     Testcase:  yet               
Architecture:  Unknown/Multiple  |      Failure:  Compile-time crash
---------------------------------+------------------------------------------

Comment(by simonpj):

 Excellent job Ian.  I konw exactly what is happening now.  It's a bug in
 the specialiser.  I have a nice fix in the works, but cannot do before
 going on holiday.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4203#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler