[GHC] #5414: Add unsafeShift to Data.Bits

[GHC]

#5414: Add unsafeShift to Data.Bits
------------------------------+---------------------------------------------
  Reporter:  tibbe            |          Owner:  simonmar        
      Type:  feature request  |         Status:  closed          
  Priority:  normal           |      Milestone:  7.6.1           
 Component:  libraries/base   |        Version:  7.2.1           
Resolution:  fixed            |       Keywords:                  
  Testcase:                   |      Blockedby:                  
Difficulty:                   |             Os:  Unknown/Multiple
  Blocking:                   |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown     |  
------------------------------+---------------------------------------------
Changes (by tibbe):

  * status:  patch => closed
  * resolution:  => fixed


Comment:

 commit de91de0fec8e5a5adda7e3005ad567821059e047
 {{{
 Author: Johan Tibell <johan.tibell at gmail.com>
 Date:   Sun Aug 14 11:45:27 2011 +0100

     Add unsafeShift to Data.Bits

     This allows shifting by a non-statically known amount without
     introducing a branch (to check for "overflow").
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5414#comment:4>
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