[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:  infoneeded
        Priority:  highest           |            Milestone:  8.0.2
       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 pggiarrusso):

 Has anybody, say ilovezfs, produced a core dump/backtrace from this? That
 would be immensely helpful. (I'm not familiar with the OS X incantations
 unfortunately, but see http://stackoverflow.com/a/21308843/53974).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12100#comment:7>
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