[GHC] #8470: "Fix" spurious Unused do-bind warnings

[GHC]

#8470: "Fix" spurious Unused do-bind warnings
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        Reporter:  2piix                         |            Owner:
            Type:  feature request               |           Status:
        Priority:  normal                        |  closed
       Component:  Compiler                      |        Milestone:
      Resolution:  fixed                         |          Version:  7.6.3
Operating System:  Unknown/Multiple              |         Keywords:
 Type of failure:  None/Unknown                  |     Architecture:
       Test Case:  deSugar/should_compile/T8470  |  Unknown/Multiple
        Blocking:                                |       Difficulty:
                                                 |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Changes (by simonpj):

 * status:  new => closed
 * testcase:   => deSugar/should_compile/T8470
 * resolution:   => fixed


Comment:

 I was in the region, so I arranged to normalise the type before making the
 check. Works now.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8470#comment:7>
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