[GHC] #14191: Implement Semigroup as a superclass of Monoid Proposal (Phase 2)

[GHC]

#14191: Implement Semigroup as a superclass of Monoid Proposal (Phase 2)
-------------------------------------+-------------------------------------
        Reporter:  hvr               |                Owner:  hvr
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  libraries/base    |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10365            |  Differential Rev(s):  phab:D3927
       Wiki Page:                    |
  prime:Libraries/Proposals/SemigroupMonoid|
-------------------------------------+-------------------------------------

Comment (by Herbert Valerio Riedel <hvr@…>):

 In [changeset:"feac0a3bc69fd376231aa3c83d031c131156ddb9/ghc"
 feac0a3b/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="feac0a3bc69fd376231aa3c83d031c131156ddb9"
 Reexport Semigroup's <> operator from Prelude (#14191)

 This completes the 2nd phase of the Semigroup=>Monoid Proposal (SMP)
 initiated in 8ae263ceb3566a7c82336400b09cb8f381217405.

 This updates a couple submodules to address <> naming clashes.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14191#comment:12>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler