[GHC] #2146: Decomposition rule for equalities is too weak in case of higher-kinded type families

[GHC]

#2146: Decomposition rule for equalities is too weak in case of higher-kinded type
families
-------------------------------------+--------------------------------------
 Reporter:  chak                     |          Owner:  chak       
     Type:  bug                      |         Status:  new        
 Priority:  normal                   |      Milestone:  6.10 branch
Component:  Compiler (Type checker)  |        Version:  6.9        
 Severity:  minor                    |     Resolution:             
 Keywords:                           |     Difficulty:  Unknown    
 Testcase:                           |   Architecture:  Multiple   
       Os:  Multiple                 |  
-------------------------------------+--------------------------------------
Changes (by igloo):

  * difficulty:  => Unknown
  * milestone:  => 6.10 branch

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2146#comment:1>
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