[GHC] #16004: Vector performance regression in GHC 8.6

[GHC]

#16004: Vector performance regression in GHC 8.6
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        Reporter:  guibou            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.3
       Component:  Compiler          |              Version:  8.6.2
      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 carter):

 Ouch!  Thanks for reporting this.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16004#comment:2>
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