[GHC] #5321: Very slow constraint solving for type families

[GHC]

#5321: Very slow constraint solving for type families
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    Reporter:  simonpj                  |        Owner:                              
        Type:  bug                      |       Status:  new                         
    Priority:  normal                   |    Milestone:                              
   Component:  Compiler (Type checker)  |      Version:  7.0.3                       
    Keywords:                           |     Testcase:                              
   Blockedby:                           |   Difficulty:                              
          Os:  Unknown/Multiple         |     Blocking:                              
Architecture:  Unknown/Multiple         |      Failure:  Compile-time performance bug
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Changes (by PHO):

 * cc: pho@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5321#comment:1>
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