[GHC] #2782: Data instance for ratio changed, now incompatible

[GHC]

#2782: Data instance for ratio changed, now incompatible
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    Reporter:  NeilMitchell      |        Owner:                  
        Type:  bug               |       Status:  new             
    Priority:  normal            |    Milestone:                  
   Component:  Compiler          |      Version:  6.10.1          
    Severity:  normal            |   Resolution:                  
    Keywords:                    |     Testcase:                  
Architecture:  Unknown/Multiple  |           Os:  Unknown/Multiple
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Changes (by NeilMitchell):

 * cc: ndmitchell at gmail.com (added)

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2782#comment:1>
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