[GHC] #7382: Evaluating GHCi expressions is slow following the dynamic-by-default change

[GHC]

#7382: Evaluating GHCi expressions is slow following the dynamic-by-default change
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    Reporter:  parcs             |       Owner:  igloo                  
        Type:  bug               |      Status:  patch                  
    Priority:  high              |   Milestone:  7.8.1                  
   Component:  GHCi              |     Version:  7.7                    
    Keywords:                    |          Os:  Unknown/Multiple       
Architecture:  Unknown/Multiple  |     Failure:  Runtime performance bug
  Difficulty:  Unknown           |    Testcase:                         
   Blockedby:                    |    Blocking:                         
     Related:                    |  
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Comment(by igloo):

 If you have dynamic-by-default and run "ghci -v" then you'll see it
 linking a `.so` with no content every time you evaluate anything.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7382#comment:5>
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