[GHC] #15149: Identical distinct type family fields miscompiled

[GHC]

#15149: Identical distinct type family fields miscompiled
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        Reporter:  NeilMitchell      |                Owner:  adamgundry
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.2
      Resolution:                    |             Keywords:  ORF
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  rename/should_compile/T15149
      Blocked By:                    |             Blocking:
 Related Tickets:  #14747            |  Differential Rev(s):  Phab:D4821
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by adamgundry):

 * testcase:   => rename/should_compile/T15149
 * status:  new => patch
 * differential:   => Phab:D4821


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15149#comment:10>
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