[GHC] #949: -hy heap profile shows "stg_ap_4_upd_info" instead of correct type

[GHC]

#949: -hy heap profile shows "stg_ap_4_upd_info" instead of correct type
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    Reporter:  simonmar   |       Owner:          
        Type:  bug        |      Status:  new     
    Priority:  normal     |   Milestone:  _|_     
   Component:  Profiling  |     Version:  6.6     
    Severity:  normal     |    Keywords:          
  Difficulty:  Unknown    |    Testcase:          
Architecture:  Multiple   |          Os:  Multiple
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The commoning up of `stg_ap` closures shouldn't happen when profiling,
 because we lose information about closure's type.

 However: what about selector thunks?  The same problem exists there, but
 selector thunks are vital for avoiding space leaks, so not generating them
 will have an adverse affect on the profile.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/949>
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