[GHC] #12778: Expose variables bound in quotations to reify

[GHC]

#12778: Expose variables bound in quotations to reify
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        Reporter:                    |                Owner:  (none)
  facundo.dominguez                  |
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Template Haskell  |              Version:  8.0.1
      Resolution:                    |             Keywords:  template-
                                     |  haskell reify
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3003
       Wiki Page:                    |
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Comment (by simonpj):

 But see #13608 comment:15 and following, for an idea that might submsume
 this (distressingly complicated) ticket.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12778#comment:13>
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