[GHC] #11450: Associated types at wrong type in instance

[GHC]

#11450: Associated types at wrong type in instance
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        Reporter:  simonpj           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11449, #11451    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by goldfire):

 Re comment:16: But your two wildcards are referring to the same type. I
 think we should require a name here, because the name is actually used
 twice.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11450#comment:17>
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