[PostGIS] #5792: TopoGeo_addPoint silently corrupts topology

[PostGIS]

#5792: TopoGeo_addPoint silently corrupts topology
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  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  reopened
  Priority:  high      |  Milestone:  PostGIS 3.5.1
 Component:  topology  |    Version:  3.5.x
Resolution:            |   Keywords:
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Changes (by strk):

 * resolution:  fixed =>
 * status:  closed => reopened

Comment:

 I'm reopening this because the new check seems to give different outcome
 with GEOS-3.8 than it gives with GEOS-3.9 and we're back to wonder who's
 right and who's wrong about the fact that snapping the edge to the new
 node moves it past the other edge :(

 GEOS-3.8:
 https://github.com/postgis/postgis/actions/runs/11579339434/job/32235298841#step:4:2430

 GEOS-3.9:
 https://github.com/postgis/postgis/actions/runs/11583139573/job/32247684590#step:4:2799
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5792#comment:5>
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