[GHC] #14270: GHC HEAD's ghc-stage1 panics on Data.Typeable.Internal

[GHC]

#14270: GHC HEAD's ghc-stage1 panics on Data.Typeable.Internal
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        Reporter:  hvr               |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #14236            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"3de788c4eaa0592165bf1fb9e9a6d5b8e2c27554/ghc" 3de788c/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="3de788c4eaa0592165bf1fb9e9a6d5b8e2c27554"
 Re-apply "Typeable: Allow App to match arrow types"

 This re-applies
  commit cc6be3a2f23c9b2e04f9f491099149e1e1d4d20b
   Author: Ben Gamari <bgamari.foss at gmail.com>
   Date:   Tue Sep 19 18:57:38 2017 -0400

     Typeable: Allow App to match arrow types

 which was reverted because of Trac #14270.  Now the latter is
 fixed we can re-apply it.

 The original ticket was Trac #14236
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14270#comment:21>
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