[GHC] #1052: NCG doesn't realise shift instructions trash shifted input?

[GHC]

#1052: NCG doesn't realise shift instructions trash shifted input?
-----------------------------------+-------------------------------
        Reporter:  igloo           |         Owner:  simonmar
            Type:  bug             |        Status:  closed
        Priority:  high            |     Milestone:  6.8.1
       Component:  Compiler (NCG)  |       Version:  6.7
      Resolution:  fixed           |      Keywords:
Operating System:  Linux           |  Architecture:  x86_64 (amd64)
      Difficulty:  Unknown         |     Test Case:  arith011
-----------------------------------+-------------------------------

Comment (by Ian Lynagh <igloo@…>):

 In [changeset:"11bc6605dd9bf3605fcab02afe79570c064d5047/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="11bc6605dd9bf3605fcab02afe79570c064d5047"
 arith011 is broken on amd64 Linux; trac #1052
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1052#comment:7>
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