[GHC] #8720: ghc crash

[GHC]

#8720: ghc crash
--------------------------+------------------------------------------------
        Reporter:  guest  |            Owner:
            Type:  bug    |           Status:  closed
        Priority:         |        Milestone:
  normal                  |          Version:  7.6.3
       Component:  GHCi   |         Keywords:  ghci crash mvar thread block
      Resolution:         |     Architecture:  x86_64 (amd64)
  invalid                 |       Difficulty:  Unknown
Operating System:         |       Blocked By:
  Windows                 |  Related Tickets:
 Type of failure:  GHCi   |
  crash                   |
       Test Case:         |
        Blocking:         |
--------------------------+------------------------------------------------
Changes (by monoidal):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 I'm afraid with no way to reproduce there's little point in having this
 ticket. It does look like #4245 which is a common bug (several
 duplicates). If you find a way, please reopen.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8720#comment:2>
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