[GHC] #2786: Blackhole loops are not detected and reported in GHCi

[GHC]

#2786: Blackhole loops are not detected and reported in GHCi
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        Reporter:  simonmar          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:  _|_
       Component:  GHCi              |          Version:  6.8.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Changes (by lelf):

 * cc: me@…, hvr (added)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2786#comment:5>
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