[GHC] #13577: Compiler performance on open-symbology parser module regressed in GHC 8.2

[GHC]

#13577: Compiler performance on open-symbology parser module regressed in GHC 8.2
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           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Thanks to hvr from mentioning this.

 https://hackage.haskell.org/package/open-symbology-0.1/docs/src/Finance-
 OpenSymbology-PricingSourceParsers.html

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13577>
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