[GHC] #12554: Testsuite exhibits large amount of framework failures

[GHC]

#12554: Testsuite exhibits large amount of framework failures
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        Reporter:  Phyx-             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Test Suite        |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 Phyx- contributed another invaluable data point:
  * mingw `python-3.4.3` works with runtime 2.5.1
 So it seems that there is very likely a Python regression between 3.4.3
 and 3.5.2

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12554#comment:19>
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