[GHC] #14036: GHCi HEAD segfaults upon startup with a prof build

[GHC]

#14036: GHCi HEAD segfaults upon startup with a prof build
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHCi crash        |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * cc: simonmar (added)


Comment:

 The offending commit is f9c6d53fe997f1c560cda6f346f4b201711df37c (Tag the
 FUN before making a PAP (#13767)).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14036#comment:1>
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