[GHC] #12162: Concatenation of type level symbols missing

[GHC]

#12162: Concatenation of type level symbols missing
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        Reporter:  augustss          |                Owner:  phadej
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      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:D2632
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"7026edc37331d067c47e4a3506590a39c22f82d3/ghc"
 7026edc3/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7026edc37331d067c47e4a3506590a39c22f82d3"
 Add 'type family (m :: Symbol) <> (n :: Symbol)'

 Reviewers: dfeuer, austin, bgamari, hvr

 Subscribers: dfeuer, mpickering, RyanGlScott, ekmett, yav, lelf,
 simonpj, thomie

 Differential Revision: https://phabricator.haskell.org/D2632

 GHC Trac Issues: #12162
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12162#comment:16>
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