[PostGIS] #5862: TopoGeo_add* silently corrupt topology: edge crosses edge, mixed face labeling in ring

[PostGIS]

#5862: TopoGeo_add* silently corrupt topology: edge crosses edge, mixed face
labeling in ring
--------------------------------+---------------------------
  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  high               |  Milestone:  PostGIS 3.5.3
 Component:  topology           |    Version:  3.4.x
Resolution:                     |   Keywords:  robustness
--------------------------------+---------------------------
Changes (by strk):

 * milestone:   => PostGIS 3.5.3
 * version:  master => 3.4.x

Comment:

 Backport to 3.4 (also affected) isn't clean, so I'll only backport the fix
 to 3.5
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5862#comment:18>
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