[PostGIS] #5794: Crash with TopoGeo_addPoint

[PostGIS]

#5794: Crash with TopoGeo_addPoint
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  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  blocker   |  Milestone:  PostGIS 3.5.1
 Component:  topology  |    Version:  3.4.x
Resolution:            |   Keywords:  crash
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Comment (by Sandro Santilli <strk@…>):

 In [changeset:"cfc46e4641c1fa7b3b391e3846ae3a2f79cd07b7/git" cfc46e4/git]:
 {{{#!CommitTicketReference repository="git"
 revision="cfc46e4641c1fa7b3b391e3846ae3a2f79cd07b7"
 Fix crash in TopoGeo_addPoint

 References #5794 in master branch (3.6.0dev)
 Includes regress test
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5794#comment:4>
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