[GHC] #7842: Incorrect checking of let-bindings in recursive do

[GHC]

#7842: Incorrect checking of let-bindings in recursive do
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              Reporter:  diatchki    |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.7
  (Type checker)                     |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  GHC         |  Related Tickets:
  rejects valid program              |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by thomie):

 * difficulty:   => Unknown


Comment:

 This ticket is listed on the page of [wiki:Status/SLPJ-Tickets tickets]
 that SPJ is interested in.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7842#comment:3>
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