[GHC] #8974: 64 bit windows executable built with ghc-7.9.20140405+LLVM segfaults

[GHC]

#8974: 64 bit windows executable built with ghc-7.9.20140405+LLVM segfaults
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        Reporter:  awson            |            Owner:
            Type:  bug              |           Status:  new
        Priority:  high             |        Milestone:  7.8.2
       Component:  Compiler (LLVM)  |          Version:  7.9
      Resolution:                   |         Keywords:
Operating System:  Windows          |     Architecture:  x86_64 (amd64)
 Type of failure:  Runtime crash    |       Difficulty:  Unknown
       Test Case:                   |       Blocked By:
        Blocking:                   |  Related Tickets:
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Comment (by jstolarek):

 Replying to [comment:1 carter]:
 > CMM is generated *before* the NCG and LLVM backends...  so is there some
 code path before the code gen  that depends on which code gen is selected?

 [https://github.com/ghc/ghc/blob/f8e12e2b396e0c475e1403ab8ac3fc4d63c1681e/compiler/cmm/CmmPipeline.hs#L104
 Yes, there is.]

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8974#comment:6>
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