[GHC] #4308: LLVM compiles Updates.cmm badly

[GHC]

#4308: LLVM compiles Updates.cmm badly
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        Reporter:  dterei            |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  low               |            Milestone:
       Component:  Compiler (LLVM)   |              Version:  6.13
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:  x86_64
 Type of failure:  Runtime           |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by George):

 * status:  new => infoneeded


Comment:

 The current issue, live register tracking is not as good as we'd like, is
 a bit vague. Would it be possible to give an example of the problem? Also
 it is 6 years old. Should a new bug be opened and this one closed?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4308#comment:19>
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