[GHC] #14251: LLVM Code Gen messes up registers

[GHC]

#14251: LLVM Code Gen messes up registers
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        Reporter:  angerman          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler (LLVM)   |              Version:  8.3
      Resolution:                    |             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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Comment (by George):

 fwiw, imho, documenting this in the release notes makes sense, holding up
 the release for what may have been a latent bug for a long time does not.
 Adding a test would be good.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14251#comment:10>
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