[GHC] #11959: Importing doubly exported pattern synonym and associated pattern synonym panics

[GHC]

#11959: Importing doubly exported pattern synonym and associated pattern synonym
panics
-------------------------------------+-------------------------------------
        Reporter:  darchon           |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.0.1-rc3
      Resolution:                    |             Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2132,
       Wiki Page:                    |  Phab:D2133
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"4f2afe1e674606230f2dc2f8ce040a2bd345a647/ghc" 4f2afe1/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4f2afe1e674606230f2dc2f8ce040a2bd345a647"
 testsuite: Add test for #11959

 Test Plan: Validate, expected to fail

 Reviewers: goldfire, austin

 Reviewed By: austin

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2132

 GHC Trac Issues: #11959
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11959#comment:3>
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