[GHC] #9886: Undefined reference to `__sync_fetch_and_xor_8'

[GHC]

#9886: Undefined reference to `__sync_fetch_and_xor_8'
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              Reporter:  erikd                |            Owner:
                  Type:  bug                  |           Status:  new
              Priority:  normal               |        Milestone:
             Component:  Compiler (CodeGen)   |          Version:  7.8.3
            Resolution:                       |         Keywords:
      Operating System:  Unknown/Multiple     |     Architecture:  powerpc
       Type of failure:  Building GHC failed  |       Difficulty:  Unknown
             Test Case:                       |       Blocked By:
              Blocking:                       |  Related Tickets:
Differential Revisions:                       |
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Comment (by tibbe):

 I believe we fixed this on x86 by requiring i686. Can't find the ticket
 right now.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9886#comment:2>
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