[GHC] #15350: gcdExtInteger violates assertion

[GHC]

#15350: gcdExtInteger violates assertion
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        Reporter:  Bodigrim          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Core Libraries    |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"7c207c86ab0de955ebec70eeeb366ba0d94acc4a/ghc"
 7c207c86/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7c207c86ab0de955ebec70eeeb366ba0d94acc4a"
 Fix gcdExtInteger (trac#15350)
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15350#comment:2>
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