[GHC] #14557: NoFib : fasta benchmark produces unexpected output on slow/fast modes.

[GHC]

#14557: NoFib : fasta benchmark produces unexpected output on slow/fast modes.
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           Reporter:  AndreasK       |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  NoFib          |           Version:
  benchmark suite                    |
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Incorrect result
  Unknown/Multiple                   |  at runtime
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 I aborted after hitting this one so maybe the issue exists for other
 benchmarks as well.

 Fails with HEAD/stage2 and ghc-8.2.1.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14557>
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