[GHC] #2004: Pattern matching against GADTs without -XGADTs has odd behavior.

[GHC]

#2004: Pattern matching against GADTs without -XGADTs has odd behavior.
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 Reporter:  guest                    |          Owner:  simonpj    
     Type:  bug                      |         Status:  new        
 Priority:  normal                   |      Milestone:  6.10 branch
Component:  Compiler (Type checker)  |        Version:  6.8.1      
 Severity:  normal                   |     Resolution:             
 Keywords:                           |     Difficulty:  Unknown    
 Testcase:                           |   Architecture:  Unknown    
       Os:  Unknown                  |  
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Changes (by igloo):

  * owner:  => simonpj
  * milestone:  => 6.10 branch

Comment:

 Simon, is this the expected behaviour?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2004#comment:1>
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