[GHC] #14388: GHC Panic

[GHC]

#14388: GHC Panic
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           Reporter:  aferrandi      |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.2
           Keywords:  IfaceTyLit     |  Operating System:  Linux
  panic                              |
       Architecture:                 |   Type of failure:  Compile-time
  Unknown/Multiple                   |  crash or panic
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Building the project exmap I,ve got:

 Information:stack: Building 'exmap' ...
 Information:stack: /usr/bin/stack build . --stack-yaml
 /home/andrea/prj/exmap/server/stack.yaml "--ghc-options=-Wall -Werror"
 exmap-0.1.0.0: configure (exe)
 Configuring exmap-0.1.0.0...
 exmap-0.1.0.0: build (exe)
 Preprocessing executable 'exmap' for exmap-0.1.0.0...
 ghc: panic! (the 'impossible' happened)
   (GHC version 8.0.2 for x86_64-unknown-linux):
         get IfaceTyLit 255
 Information:stack: Please report this as a GHC bug:
 http://www.haskell.org/ghc/reportabug
 Information:stack: --  While building package exmap-0.1.0.0 using:
       /home/andrea/.stack/setup-exe-cache/x86_64-linux/Cabal-
 simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack-
 work/dist/x86_64-linux/Cabal-1.24.2.0 build exe:exmap --ghc-options "
 -ddump-hi -ddump-to-file"
     Process exited with code: ExitFailure 1
 Information:25.10.17 16:19 - Compilation completed with 1 error and 0
 warnings in 1s 946ms
 Error:stack: Stack build failed with nonzero exit status

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14388>
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