[GHC] #13910: Inlining a definition causes GHC to panic (repSplitTyConApp_maybe)

GHC ghc-devs at haskell.org
Thu Sep 14 19:35:56 UTC 2017


#13910: Inlining a definition causes GHC to panic (repSplitTyConApp_maybe)
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.2.1-rc2
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:  14119             |             Blocking:
 Related Tickets:  #13877, #14038,   |  Differential Rev(s):
  #14175                             |
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"e5beb6ecac1497972fd538fd9a60c75e9279d68f/ghc"
 e5beb6ec/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="e5beb6ecac1497972fd538fd9a60c75e9279d68f"
 Make rejigConRes do kind substitutions

 This was a lurking bug discovered on the hunt for #13910, but
 it doesn't fix that bug. The old version of rejigConRes was
 just wrong, forgetting to propagate a kind-change.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13910#comment:8>
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