[GHC] #14803: Panic during desugaring I think

GHC ghc-devs at haskell.org
Tue Feb 13 14:16:01 UTC 2018


#14803: Panic during desugaring I think
---------------------------------+---------------------------------------
        Reporter:  justus        |                Owner:  (none)
            Type:  bug           |               Status:  closed
        Priority:  normal        |            Milestone:
       Component:  Compiler      |              Version:  8.2.2
      Resolution:  duplicate     |             Keywords:  PatternSynonyms
Operating System:  MacOS X       |         Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:  #14326        |  Differential Rev(s):
       Wiki Page:                |
---------------------------------+---------------------------------------
Changes (by RyanGlScott):

 * status:  new => closed
 * keywords:   => PatternSynonyms
 * resolution:   => duplicate
 * related:   => #14326


Comment:

 Thanks for the bug report. This is a duplicate of #14326, which has been
 fixed in GHC 8.4.1.

 This bug could be tickled when you nest pattern-synonym pattern matches in
 just the right way.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14803#comment:1>
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