[GHC] #10927: IndexError: pop from empty list

[GHC]

#10927: IndexError: pop from empty list
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        Reporter:  schwab            |                Owner:  hvr
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Trac & Git        |              Version:
      Resolution:  fixed             |             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 sgraf):

 This happens again for me as of recently. It used to work a few days
 earlier.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10927#comment:4>
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