[GHC] #15694: GHC panic from pattern synonym, "Type-correct unfilled coercion hole"

GHC ghc-devs at haskell.org
Wed Oct 24 15:42:08 UTC 2018


#15694: GHC panic from pattern synonym, "Type-correct unfilled coercion hole"
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.6.1
      Resolution:                    |             Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  patsyn/should_fail/T15694
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * testcase:   => patsyn/should_fail/T15694
 * status:  new => merge


Comment:

 Thanks -- fixed!

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15694#comment:3>
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