[GHC] #7298: GHCi is setting stdin/stdout to NoBuffering in runghc when DYNAMIC_GHC_PROGRAMS=YES

[GHC]

#7298: GHCi is setting stdin/stdout to NoBuffering in runghc when
DYNAMIC_GHC_PROGRAMS=YES
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        Reporter:  igloo             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.2.1
       Component:  GHCi              |              Version:  7.6.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  ghc-e/should_run/T2228
      Blocked By:                    |             Blocking:
 Related Tickets:  #2228             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * milestone:   => 8.2.1


Comment:

 While it's a bit late to handle this for 8.0 let's at least try for 8.2.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7298#comment:7>
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