[GHC] #4170: Invalid "duplicate instance" error

[GHC]

#4170: Invalid "duplicate instance" error
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        Reporter:  verdelyi          |            Owner:
            Type:  bug               |           Status:  closed
        Priority:  low               |        Milestone:  7.6.2
       Component:  Template Haskell  |          Version:  6.12.3
      Resolution:  fixed             |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:  th/T4170          |       Blocked By:
        Blocking:                    |  Related Tickets:
-------------------------------------+------------------------------------
Changes (by monoidal):

 * status:  new => closed
 * difficulty:   => Unknown
 * resolution:   => fixed
 * testcase:   => th/T4170
 * blockedby:  4230 =>


Comment:

 This is now fixed thanks to new TH. Woo hoo!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4170#comment:8>
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