[GHC] #10845: Incorrect behavior when let binding implicit CallStack object

[GHC]

#10845: Incorrect behavior when let binding implicit CallStack object
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        Reporter:  nitromaster101    |                Owner:  gridaphobe
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10846            |  Differential Rev(s):  Phab:D1422
       Wiki Page:                    |
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Changes (by bgamari):

 * priority:  normal => highest
 * milestone:   => 8.0.1


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10845#comment:17>
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