[GHC] #11727: Allow one type signature for multiple pattern synonyms

[GHC]

#11727: Allow one type signature for multiple pattern synonyms
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        Reporter:  mpickering        |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  patsyn/should_compile/T11727
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2083
       Wiki Page:                    |
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Changes (by thomie):

 * testcase:   => patsyn/should_compile/T11727
 * differential:   => Phab:D2083
 * milestone:   => 8.2.1


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11727#comment:1>
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