[GHC] #13622: Regression: can't export constructor when conflicting, qualified constructor is also in scope

[GHC]

#13622: Regression: can't export constructor when conflicting, qualified
constructor is also in scope
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        Reporter:  RyanGlScott       |                Owner:  mpickering
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.2.1-rc2
      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):  Phab:D3515
       Wiki Page:                    |
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Comment (by rwbarton):

 > The problem is that name clash errors are reported too eagerly.

 I guess you must know what you are talking about, but this sounds weird to
 me since I can't see what name clash there is in the original program.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13622#comment:8>
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