[GHC] #5344: CSE should look through coercions

[GHC]

#5344: CSE should look through coercions
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        Reporter:  reinerp           |                Owner:  simonpj
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  ⊥
       Component:  Compiler          |              Version:  7.0.3
      Resolution:                    |             Keywords:  cse
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 slyfox):

 * cc: slyfox (added)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5344#comment:3>
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