[GHC] #9117: Coercible constraint solver misses one

GHC ghc-devs at haskell.org
Tue May 20 08:48:12 UTC 2014


#9117: Coercible constraint solver misses one
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        Reporter:  goldfire          |            Owner:  nomeata
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Joachim Breitner <mail@…>):

 In [changeset:"7e78faf033405bd5f3b6b787343c98e33d767bda/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7e78faf033405bd5f3b6b787343c98e33d767bda"
 Coercible: Unwrap newtypes before coercing under tycons

 This fixes parts of #9117.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9117#comment:17>
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