[GHC] #13566: Bigger core size in ghc8 compared to ghc7

[GHC]

#13566: Bigger core size in ghc8 compared to ghc7
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        Reporter:  pacak             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1-rc2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by pacak):

 > From 975 in GHC 7.10 to 1,342 in GHC 8.2 doesn't sound terrible.

 When I was stripping down the example I was looking at sizes for ghc7 and
 ghc8. I can try to check ghc8.2 on original code, but it'll take time.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13566#comment:6>
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