[GHC] #3490: Relax superclass restrictions

[GHC]

#3490: Relax superclass restrictions
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    Reporter:  simonpj           |        Owner:                  
        Type:  feature request   |       Status:  new             
    Priority:  normal            |    Milestone:  _|_             
   Component:  Compiler          |      Version:  6.10.4          
    Severity:  minor             |   Resolution:                  
    Keywords:                    |   Difficulty:  Unknown         
    Testcase:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |  
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Changes (by simonpj):

  * type:  bug => feature request

Comment:

 Actually I'll close #714 in favour of this ticket.  #714 has an
 interesting discussion but it wanders around a bit, whereas this ticket
 now focuses on the actual feature request.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3490#comment:4>
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