[GHC] #14271: ghci hangs with -fexternal-interpreter -prof

[GHC]

#14271: ghci hangs with -fexternal-interpreter -prof
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           Reporter:  AndreasK          |             Owner:  (none)
               Type:  bug               |            Status:  new
           Priority:  normal            |         Milestone:
          Component:  GHCi              |           Version:  8.2.1
           Keywords:                    |  Operating System:  Windows
       Architecture:  Unknown/Multiple  |   Type of failure:  GHCi crash
          Test Case:                    |        Blocked By:
           Blocking:                    |   Related Tickets:
Differential Rev(s):                    |         Wiki Page:
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 {{{
 ghci -fexternal-interpreter -prof
 GHCi, version 8.2.1: http://www.haskell.org/ghc/  :? for help
 Access violation in generated code when reading 00000001001e0418
 }}}

 * The address remains the same between reruns (and reinstalls) of ghc.
 * Closing the hanging process leaves the launched ghc active in the
 background.
 * The directory I launch ghci from doesn't seem to matter.
 * I have only tried it on my desktop so far (Win10/Skylake)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14271>
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