[GHC] #8004: Applicative/Monad proposal related warnings (AMP phase 1)

[GHC]

#8004: Applicative/Monad proposal related warnings (AMP phase 1)
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        Reporter:  quchen            |            Owner:  quchen
            Type:  feature request   |           Status:  patch
        Priority:  high              |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:e17072d181158731c00c966e6ebfd86aec942f5b/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="e17072d181158731c00c966e6ebfd86aec942f5b"
 Refactor AMP warnings a bit

 There was a bit of clutter (tryTc stuff) caused by the
 fact that tcLookupImported didn't return a MaybeErr.
 Now it does.  That finishes up Trac #8004.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8004#comment:19>
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