Re: [GHC] #11648: assertPprPanic, called at compiler/types/TyCoRep.hs:1932

26 Feb 2016

      #11648: assertPprPanic, called at compiler/types/TyCoRep.hs:1932
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        Reporter:  thomie            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      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 Simon Peyton Jones <simonpj@…>):

 In [changeset:"b4dfe04aa77bb2d0ce2c7d82cab5e4425e0b738c/ghc" b4dfe04/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="b4dfe04aa77bb2d0ce2c7d82cab5e4425e0b738c"
 Fix kind generalisation for pattern synonyms

 We were failing to zonk, after quantifyTyVars, and that left
 un-zonked type variables in the final PatSyn.

 This fixes the patsyn/ problems in Trac #11648, but not
 the polykinds/ ones.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11648#comment:2>
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