[GHC] #11222: Teach strictness analysis about `catch`-like operations

[GHC]

#11222: Teach strictness analysis about `catch`-like operations
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        Reporter:  bgamari           |                Owner:  dfeuer
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:  Exceptions
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10712, #14998    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by sgraf):

 #14998 suggests that we have the performance gains without actually making
 `catch#` and `catchRetry#` any more special than necessary. I think we can
 close this?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11222#comment:14>
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