[GHC] #16209: GHC behaves differently when binding has separate or inlined type declaration

[GHC]

#16209: GHC behaves differently when binding has separate or inlined type
declaration
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        Reporter:  fghibellini       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by dmwit):

 See further discussion on [https://stackoverflow.com/q/54293485/791604
 StackOverflow]. Executive summary of my thoughts there: 7.10.3 is correct
 to disallow the first program, and buggy because it allows the second
 program; meanwhile, modern GHC correctly disallows both.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16209#comment:2>
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