[GHC] #13513: Incorrect behavior on arm64 with optimisations

[GHC]

#13513: Incorrect behavior on arm64 with optimisations
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        Reporter:  achirkin          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  aarch64
 Type of failure:  Incorrect result  |            Test Case:
  at runtime                         |
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * cc: erikd, angerman (added)
 * milestone:   => 8.4.1


Comment:

 Very interesting. I wish I had hardware to test this one. Adding erikd and
 angerman, who have both done work on aarch64 in the past.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13513#comment:1>
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