[GHC] #14635: Double stacktrace with errorWithCallStack

[GHC]

#14635: Double stacktrace with errorWithCallStack
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        Reporter:  flip101           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Documentation     |              Version:  8.2.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 The above commit just fixes the same problem in GHC's own source code.

 Could someone else fix the documentation in the two places identified
 above?  Thanks!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14635#comment:3>
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