[postgis-tickets] [PostGIS] #4646: Broken pointer arithmetic in gserialized_cmp leads crash/wrong results during ORDER BY

[PostGIS]

#4646: Broken pointer arithmetic in gserialized_cmp leads crash/wrong results
during ORDER BY
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  Reporter:  dkvash    |      Owner:  pramsey
      Type:  defect    |     Status:  new
  Priority:  critical  |  Milestone:  PostGIS 2.5.4
 Component:  postgis   |    Version:  2.5.x
Resolution:            |   Keywords:
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Comment (by Algunenano):

 Can we use `gserialized_get_type` instead and avoid having pointer
 arithmetics in multiple places?

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4646#comment:1>
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