[GHC] #13551: Support DEPRECATED and WARNING pragmas on Template Haskell

[GHC]

#13551: Support DEPRECATED and WARNING pragmas on Template Haskell
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        Reporter:  utdemir           |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Template Haskell  |              Version:  8.0.1
      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 utdemir):

 Just to have some fun, I will try to implement this myself. It will be the
 first time I'm trying to modify GHC and I am not sure if I will succeed. I
 plan to send a patch within this week.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13551#comment:1>
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