[GHC] #810: GHC complains about missing instance in conjunction with GADTs

GHC trac at galois.com
Mon Oct 30 04:16:45 EST 2006


#810: GHC complains about missing instance in conjunction with GADTs
----------------------------------+-----------------------------------------
 Reporter:  wolfgang at jeltsch.net  |          Owner:  simonpj
     Type:  bug                   |         Status:  closed 
 Priority:  normal                |      Milestone:  6.8    
Component:  Compiler              |        Version:  6.4.1  
 Severity:  normal                |     Resolution:  fixed  
 Keywords:                        |     Difficulty:  Unknown
 Testcase:  gadt20                |   Architecture:  x86    
       Os:  Linux                 |  
----------------------------------+-----------------------------------------
Changes (by simonpj):

  * resolution:  => fixed
  * status:  new => closed

Comment:

 I think this is actually ok in 6.6, and in any case I'm fixing the type-
 class interaction, and we have a test case to remind us if it goes bad on
 us.

 So I'm closing this bug.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/810>
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