[GHC] #7897: MakeTypeRep fingerprints be proper, robust fingerprints

[GHC]

#7897: MakeTypeRep fingerprints be proper, robust fingerprints
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    Reporter:  simonpj           |       Owner:                  
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:  7.6.3           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonpj):

 Both Pedro's (dreixel) points above are good ones. The data-family
 question is particularly problematic; but as things stand it's very
 simple.

 So the status quo,in which `TypeRep`s are essentially compared by name, is
 looking more attractive.  No one is aruging for this change.  So I propose
 to park it for now. But I'll leave the ticket as a placeholder for
 discussion.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7897#comment:3>
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