[GHC] #14947: internal error: Invalid object *c in push()

[GHC]

#14947: internal error: Invalid object *c in push()
-------------------------------------+-------------------------------------
           Reporter:  varosi         |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Profiling      |           Version:  8.4.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:  x86_64         |   Type of failure:  Runtime crash
  (amd64)                            |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 Steps to reproduce on Windows 10 x64:


 {{{
 stack --version
 Version 1.6.5, Git revision 24ab0d6ff07f28276e082c3ce74dfdeb1a2ca9e9 (5514
 commits) x86_64 hpack-0.20.0

 git clone https://github.com/varosi/cgraytrace.git
 cd cgraytrace
 git checkout 8c9499e4f3b1ba18b71e499667e865bb6db61856
 stack build --profile
 stack exec --rts-options="-hr" -- cgraytrace-exe

 Rendering to sample.png...
 cgraytrace-exe.EXE: internal error: Invalid object *c in push()
      (GHC version 8.4.1 for x86_64_unknown_mingw32)
      Please report this as a GHC bug:
 http://www.haskell.org/ghc/reportabug

 This application has requested the Runtime to terminate it in an unusual
 way.
 Please contact the application's support team for more information.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14947>
GHC <http://www.haskell.org/ghc/>
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