[GHC] #12759: Latest Debian GCC breajs GHC

[GHC]

#12759: Latest Debian GCC breajs GHC
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        Reporter:  erikd     |                Owner:
            Type:  bug       |               Status:  new
        Priority:  normal    |            Milestone:  8.0.2
       Component:  Compiler  |              Version:  8.0.1
      Resolution:            |             Keywords:
Operating System:  Linux     |         Architecture:  Unknown/Multiple
 Type of failure:  Other     |            Test Case:
      Blocked By:            |             Blocking:
 Related Tickets:            |  Differential Rev(s):
       Wiki Page:            |
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Comment (by erikd):

 Debain allows parallel installs of GCC, so for now I've worked around this
 issue by switching the default compiler to gcc-5 (gcc-5 (Debian 5.4.1-3)
 5.4.1 20161019).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12759#comment:2>
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