[GHC] #13754: ghc-8.0.2+ rejects more instance declarations

[GHC]

#13754: ghc-8.0.2+ rejects more instance declarations
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        Reporter:  zilinc            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by zilinc):

 Thanks Simon for the excellent explanation. So shall I conclude it's a bug
 which has been fixed in GHC-8.0.2 (and thus close this ticket)?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13754#comment:2>
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