[GHC] #12521: Thread blocked indefinitely in an MVar operation

[GHC]

#12521: Thread blocked indefinitely in an MVar operation
-------------------------------------+-------------------------------------
        Reporter:  SwiftsNamesake    |                Owner:
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.4
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  GHCi crash        |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * status:  new => infoneeded


Comment:

 * Which OS are you on?

 * I am not able to reproduce the `invalid character` exception with 7.8.4
 or higher. Can you try?

 * What is `chcp`?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12521#comment:1>
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