[GHC] #12925: GHC panic: Can't serialise IfaceTcTyVar

[GHC]

#12925: GHC panic: Can't serialise IfaceTcTyVar
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"3e3f7c21a64758c671192c63a741ecc4a5a08831/ghc" 3e3f7c2/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="3e3f7c21a64758c671192c63a741ecc4a5a08831"
 Test Trac #12925
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12925#comment:3>
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