[FFmpeg-trac] #9877(undetermined:new): ffmpeg core dumped error when map webvtt subtitles

[FFmpeg]

#9877: ffmpeg core dumped error when map webvtt subtitles
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             Reporter:  tudge        |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  webvtt       |               Blocked By:
  crash                              |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Carl Eugen Hoyos):

 Can you also reproduce the crash with the following command line?
 ./ffmpeg -i "any.mkv" -filter_complex "split[v1out][v2out]" -map [v1out]
 -map [v2out] -map s:1 -map s:2 -var_stream_map "v:0,s:0 v:1,s:1"
 /any/stream_%v.m3u8
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Ticket URL: <https://trac.ffmpeg.org/ticket/9877#comment:14>
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