[GHC] #14931: Segfault compiling file that uses Template Haskell with -prof

[GHC]

#14931: Segfault compiling file that uses Template Haskell with -prof
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.4.2
       Component:  Profiling         |              Version:  8.4.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         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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Comment (by osa1):

 This works with GHC HEAD.

 > However, 8.4.1 shipped with a workaround

 GHC 8.4.1 is shipped without some of the commits that were supposed to be
 included, e.g. #14868 is also broken in 8.4.1 even though the fix was
 merged to the branch. This may be another such case where the commit was
 merged to the branch but not included in the release somehow.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14931#comment:9>
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