[GHC] #12143: ApplicativeDo Fails to Desugar 'return True'

[GHC]

#12143: ApplicativeDo Fails to Desugar 'return True'
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        Reporter:  MichaelBurge      |                Owner:  simonmar
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:  ApplicativeDo
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4128
       Wiki Page:                    |
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Changes (by simonmar):

 * status:  new => closed
 * resolution:   => fixed
 * blockedby:  10892 =>


Comment:

 Probably shouldn't merge this into the stable branch because it changes
 inferred types.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12143#comment:9>
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