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

GHC ghc-devs at haskell.org
Sun Sep 24 07:31:22 UTC 2017


#14270: GHC HEAD's ghc-stage1 panics on Data.Typeable.Internal
-------------------------------------+-------------------------------------
        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 Herbert Valerio Riedel <hvr@…>):

 In [changeset:"9c7d0657e2d6c626c6aa7aac061820e8828b857e/ghc" 9c7d065/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9c7d0657e2d6c626c6aa7aac061820e8828b857e"
 Revert "Typeable: Allow App to match arrow types"

 This reverts commit cc6be3a2f23c9b2e04f9f491099149e1e1d4d20b.
 because it caused the regression #14270 which according to
 Richard probably doesn't have an easy fix. So this one goes
 back to the drawning board.

 This reopens #14236
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14270#comment:8>
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