[GHC] #13726: Declaring GADT constructor and associated data family with the same name gives weird error

GHC ghc-devs at haskell.org
Fri May 19 07:29:30 UTC 2017


#13726: Declaring GADT constructor and associated data family with the same name
gives weird error
-------------------------------------+-------------------------------------
        Reporter:  mrkgnao           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:                    |             Keywords:
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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Description changed by mrkgnao:

@@ -2,1 +2,2 @@
- short while if this isn't a known bug.
+ short while if this isn't a known bug fixed in 8.2.1. GHC complains about
+ the kinds not matching instead of giving a "multiple definitions" error.

New description:

 The code this is from is really messy. I'll submit a minimal example in a
 short while if this isn't a known bug fixed in 8.2.1. GHC complains about
 the kinds not matching instead of giving a "multiple definitions" error.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13726#comment:2>
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