[GHC] #13309: Use liftA2 in ApplicativeDo

[GHC]

#13309: Use liftA2 in ApplicativeDo
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        Reporter:  dfeuer            |                Owner:  dfeuer
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by dfeuer):

 * owner:  (none) => dfeuer


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13309#comment:1>
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