[GHC] #10747: Infix pattern synonyms fail to parse (regression)

[GHC]

#10747: Infix pattern synonyms fail to parse (regression)
-------------------------------------+-------------------------------------
        Reporter:  heisenbug         |                Owner:  mpickering
            Type:  bug               |               Status:  merge
        Priority:  high              |            Milestone:  7.10.3
       Component:  Compiler          |              Version:  7.10.1
  (Parser)                           |             Keywords:
      Resolution:                    |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  patsyn/should_compile/T10747
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1295
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * status:  new => merge
 * testcase:   => patsyn/should_compile/T10747


Comment:

 One line fix, should be easy to merge.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10747#comment:11>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler