[GHC] #9306: Crash when shifting Integers too far left

[GHC]

#9306: Crash when shifting Integers too far left
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        Reporter:  dfeuer            |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  libraries/base    |          Version:  7.8.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash     |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by simonpj):

 It's not clear what to do here.  After all, arbitrary precision integers
 are supposed to be, well, arbitrary precision.  If it "worked" you'd
 probably get a heap overflow instead.  What should the maximum size of a
 shift be?

 If anyone has good ideas, go for it!

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9306#comment:3>
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