[GHC] #8662: GHC does not inline cheap inner loop when used in two places

[GHC]

#8662: GHC does not inline cheap inner loop when used in two places
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        Reporter:  nh2                      |            Owner:
            Type:  bug                      |           Status:  new
        Priority:  normal                   |        Milestone:
       Component:  Compiler                 |          Version:  7.6.3
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  Runtime performance bug  |  Unknown/Multiple
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:
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Comment (by schyler):

 Maybe you just need to tune the numbers higher.

 Will `-funfolding-use-threshold=16` do it?

 Maybe this is relevant to #1371

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8662#comment:1>
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