[GHC] #16002: Type family equation with wrong name is silently accepted (GHC 8.6+ only)

GHC ghc-devs at haskell.org
Thu Dec 6 00:31:37 UTC 2018


#16002: Type family equation with wrong name is silently accepted (GHC 8.6+ only)
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.6.2
      Resolution:                    |             Keywords:  TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC accepts       |  Unknown/Multiple
  invalid program                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by RyanGlScott):

 (Interestingly, this exact bit of code was also
 [https://ghc.haskell.org/trac/ghc/ticket/15116#comment:2 responsible] for
 causing #15116.)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16002#comment:3>
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