[GHC] #9112: support for deriving Vector/MVector instances

[GHC]

#9112: support for deriving Vector/MVector instances
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        Reporter:  jwlato            |            Owner:
            Type:  feature request   |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by simonpj):

 My current belief is that #9123 is the nub of the issue. Once we've fixed
 that, I hope that this ticket will also be solved.

 Please yell if you disagree.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9112#comment:11>
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