[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
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by rwbarton):

 I don't understand the title and version number of this ticket.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13577#comment:2>
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