[GHC] #13221: OccurAnal fails to rediscover join points

[GHC]

#13221: OccurAnal fails to rediscover join points
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        Reporter:  lukemaurer        |                Owner:  lukemaurer
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  JoinPoints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  D3080
       Wiki Page:                    |
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Comment (by simonpj):

 > The remaining source of noise is beta redexes arising from the simple
 optimizer; that's an ongoing issue

 I'm working on that.

 Are there any other join points that occur-anal doesn't find?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13221#comment:5>
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