[GHC] #11243: Use Type Synonyms to Compress Errors

[GHC]

#11243: Use Type Synonyms to Compress Errors
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        Reporter:  crockeea          |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by rwbarton):

 Well, it might help to have some idea of the structure of the error
 message at least.

 Have you tried with HEAD? I think there have been changes in when type
 synonyms are expanded in error messages.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11243#comment:2>
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