[GHC] #12100: GHC 8.0.1 build segmentation fault in haddock

[GHC]

#12100: GHC 8.0.1 build segmentation fault in haddock
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        Reporter:  ilovezfs          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11744, #11951    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ilovezfs):

 Setting -march=core2 instead of -march=native worked around it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12100#comment:3>
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