[GHC] #9774: Type error messages containing calls to assert could be prettier.

[GHC]

#9774: Type error messages containing calls to assert could be prettier.
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              Reporter:  josef       |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"0f930ba2039e28d0083780a58adb37ff01a92019/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="0f930ba2039e28d0083780a58adb37ff01a92019"
 Move expansion of 'assert' from renamer to typechecker

 This improves error messages when there is a type error,
 fixing Trac #9774
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9774#comment:1>
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