[GHC] #12479: build fail of commercialhaskell.com with stack build on mac os x sierra

[GHC]

#12479: build fail of commercialhaskell.com with stack build on mac os x sierra
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        Reporter:  stephenb          |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  highest           |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:
Operating System:  MacOS X           |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12198            |  Differential Rev(s):  Phab:D2532
       Wiki Page:                    |
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Comment (by bgamari):

 dredozubov, since this ticket is getting a bit long could you open another
 one?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12479#comment:55>
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