[GHC] #8138: Core lint fails with error "Role incompatibility: expected N, got R"

[GHC]

#8138: Core lint fails with error "Role incompatibility: expected N, got R"
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        Reporter:  gmainland         |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Other             |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Richard Eisenberg <eir@…>):

 In [changeset:ea96a0fcb5c756f5c2c77f8bc651b3345ca6d09f/testsuite]:
 {{{
 #!CommitTicketReference repository="testsuite"
 revision="ea96a0fcb5c756f5c2c77f8bc651b3345ca6d09f"
 Add testcase for #8138
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8138#comment:3>
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