[GHC] #10547: feature request: expanding type synonyms in error messages

[GHC]

#10547: feature request: expanding type synonyms in error messages
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        Reporter:  osa1              |                   Owner:  osa1
            Type:  feature request   |                  Status:  new
        Priority:  low               |               Milestone:  7.12.1
       Component:  Compiler (Type    |                 Version:
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  D1016
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Comment (by osa1):

 I did something a little more fancy and inefficient :) I updated my patch:
 https://phabricator.haskell.org/D1016

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10547#comment:7>
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