[GHC] #9441: CSE should deal with letrec

[GHC]

#9441: CSE should deal with letrec
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        Reporter:  dfeuer            |                Owner:  RolandSenn
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.2
      Resolution:                    |             Keywords:  CSE
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:  T9441
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab: D5038
       Wiki Page:                    |
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Changes (by RolandSenn):

 * status:  new => patch
 * testcase:   => T9441
 * differential:   => Phab: D5038


Comment:

 Added missing regresssion test. See:
 [https://phabricator.haskell.org/D5038]

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9441#comment:7>
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