[FFmpeg-trac] #7915(undetermined:new): [ffmpeg-vaapi] jpeg encode failed when build with gcc 9.1.1 on Fedora 30

[FFmpeg]

#7915: [ffmpeg-vaapi] jpeg encode failed when build with gcc 9.1.1 on Fedora 30
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             Reporter:  zchrzhou     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  vaapi        |               Blocked By:
  encode jpeg                        |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by uartie):

 After inspecting the jpeg file, it looks like all three component id's in
 the frame header (SOF) equal 0.  This is wrong.  Each component id should
 be unique.  When compile time optimizations are disabled, the component
 ids are 1, 2 and 3, respectively.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7915#comment:2>
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