[GHC] #8740: Deriving instance conditionally compiles

[GHC]

#8740: Deriving instance conditionally compiles
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        Reporter:  thomaseding       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.6.3
  checker)                           |             Keywords:  GADTs,
      Resolution:                    |  deriving
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8128, #11066     |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"90e99c4cfd601601e56fc6041186ca3e070408d9/ghc"
 90e99c4c/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="90e99c4cfd601601e56fc6041186ca3e070408d9"
 Add tests for #8128 and #8740

 Commit 08073e16cf672d8009309e4e55d4566af1ecaff4 (#11066) ended up
 fixing these, fortunately enough.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8740#comment:7>
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