[GHC] #10495: Total inability to infer type for coerce

[GHC]

#10495: Total inability to infer type for coerce
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        Reporter:  goldfire          |                   Owner:  goldfire
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.11
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by Richard Eisenberg <eir@…>):

 In [changeset:"0de0b14691e0b0789988332ad5addc2a31b09ba6/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="0de0b14691e0b0789988332ad5addc2a31b09ba6"
 Fix #10495.

 This change means that the intricate reasoning in TcErrors
 around getting messages just right for nominal equalities
 is skipped for representational equalities.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10495#comment:3>
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