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

[GHC]

#11959: Importing doubly exported pattern synonym and associated pattern synonym
panics
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        Reporter:  darchon           |                Owner:
            Type:  bug               |               Status:  new
        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):
       Wiki Page:                    |
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Changes (by bgamari):

 * priority:  normal => high


Comment:

 Hmm, this is problematic.

 For future reference, we typically call these patterns "bundled" and not
 "associated" as the latter would be confusing if we ever gain the ability
 to associate a pattern with a typeclass.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11959#comment:1>
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