[GHC] #9803: Poor error message for unbound variable in pattern synonym

GHC ghc-devs at haskell.org
Thu Mar 17 12:59:41 UTC 2016


#9803: Poor error message for unbound variable in pattern synonym
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:  mpickering
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.9
  checker)                           |             Keywords:
      Resolution:  fixed             |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by mpickering):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Simon got to this whilst doing some other cleanup.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9803#comment:5>
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