[GHC] #12490: With RebindableSyntax, ApplicativeDo should eliminate return/pure

[GHC]

#12490: With RebindableSyntax, ApplicativeDo should eliminate return/pure
-------------------------------------+-------------------------------------
        Reporter:  AaronFriel        |                Owner:  simonmar
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2499
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by bgamari):

 Merged to `ghc-8.0` as 44755a0cbcb77aea1c28aeba994a4514aec87904.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12490#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler