[GHC] #15057: Lint types created by newFamInst

[GHC]

#15057: Lint types created by newFamInst
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.1
      Resolution:                    |             Keywords:  TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15012            |  Differential Rev(s):  Phab:D4611
       Wiki Page:                    |
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Comment (by simonpj):

 Fair enough.  But meanwhile perhaps we can revert the patch, since it adds
 complexity but does not achieve the goal.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15057#comment:7>
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