[GHC] #9797: Investigate rewriting `>>=` to `*>` or `>>` for appropriate types

[GHC]

#9797: Investigate rewriting `>>=` to `*>` or `>>` for appropriate types
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       Reporter:  dfeuer             |                   Owner:  dfeuer
           Type:  task               |                  Status:  new
       Priority:  normal             |               Milestone:  7.10.1
      Component:  Core Libraries     |                 Version:  7.9
       Keywords:                     |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Unknown            |         Type of failure:  Runtime
     Blocked By:                     |  performance bug
Related Tickets:                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
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 When we see `m >>= (\_ -> n)` with a type that admits an optimized `>>` or
 `<$`, we should try to take advantage of that. I don't currently know if
 this applies to any types under "GHC HQ" control.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9797>
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