[GHC] #13565: Compiler allocations on sched in nofib regressed by 10% between 091333313 and 1883afb2

[GHC]

#13565: Compiler allocations on sched in nofib regressed by 10% between 091333313
and 1883afb2
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:  (none)
               Type:  task           |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Compile-time
  Unknown/Multiple                   |  performance bug
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 Compiler allocations increased from 500MB to 550MB on the `Main` module of
 `sched` somewhere between 09333313f32be975faf9158fcd3648489d78ad82 and
 03e8d26fe0a8f7981a76550118f3c584cad76c47. Investigate.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13565>
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