[GHC] #12456: Panics when making a quotation as pattern synonym

[GHC]

#12456: Panics when making a quotation as pattern synonym
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        Reporter:  Iceland_jack      |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  ghci/should_run/T12456
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  merge => closed
 * resolution:   => fixed
 * milestone:   => 8.0.2


Comment:

 Test in comment:2 merged `ghc-8.0` as
 243994c30e70bc8987a5bf8ceaf780ac01c8eb5e.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12456#comment:4>
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