[GHC] #11047: Provide call stacks in GHCi

[GHC]

#11047: Provide call stacks in GHCi
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        Reporter:  simonmar          |                Owner:  simonmar
            Type:  task              |               Status:  merge
        Priority:  high              |            Milestone:  8.0.1
       Component:  GHCi              |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #545, #4837,      |  Differential Rev(s):  Phab:D1407,
  #11100                             |  Phab:D1595, Phab:D1747
       Wiki Page:                    |
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Changes (by simonmar):

 * status:  new => merge


Comment:

 Ben, could we get 6be09e884730f19da6c24fc565980f515300e53c merged into
 8.0?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11047#comment:15>
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