[GHC] #13609: regression: `ANN` pragmas no longer ignored in TH-less GHC 8.2.1

[GHC]

#13609: regression: `ANN` pragmas no longer ignored in TH-less GHC 8.2.1
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        Reporter:  hvr               |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.2.1-rc1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by hvr):

 I've tested the patch on AIX, and it appears to work well there.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13609#comment:9>
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