[GHC] #8118: <stdout>: commitAndReleaseBuffer: invalid argument (invalid character)

[GHC]

#8118: <stdout>: commitAndReleaseBuffer: invalid argument (invalid character)
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        Reporter:  guest             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #5666             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by thomasjm):

 I just hit this problem in Ubuntu 16.04.2 LTS, with stack resolver lts-8.5
 (GHC 8.0.2).

 Doing "setLocaleEncoding utf8" worked.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8118#comment:21>
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