[GHC] #12213: In Python testsuite, setting stdout to unbuffered causes us to switch to ascii output locale

[GHC]

#12213: In Python testsuite, setting stdout to unbuffered causes us to switch to
ascii output locale
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        Reporter:  ezyang            |                Owner:  thomie
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Test Suite        |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by thomie):

 > I had a failing test case which was producing UTF-8 output

 Can I see this test please? There are plenty of tests that produce UTF-8
 output (for example the .stderr from GHC), and they don't cause any
 problems.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12213#comment:3>
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