[GHC] #11413: GHC 8.1.20160111 fails to bootstrap itself.

[GHC]

#11413: GHC 8.1.20160111 fails to bootstrap itself.
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        Reporter:  kgardas              |                Owner:
            Type:  bug                  |               Status:  new
        Priority:  highest              |            Milestone:
       Component:  Core Libraries       |              Version:  8.1
      Resolution:                       |             Keywords:
Operating System:  Solaris              |         Architecture:  x86
 Type of failure:  Building GHC failed  |            Test Case:
      Blocked By:                       |             Blocking:
 Related Tickets:                       |  Differential Rev(s):
       Wiki Page:                       |
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Comment (by rwbarton):

 For me ghc-8.0 (from a few days ago) can bootstrap itself. There may be
 other variables here, like whether CPP is clang. I think the error means
 `MIN_VERSION_base(4,9,0)` was not expanded for some reason.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11413#comment:2>
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