[PostGIS] #6023: Silent topology error in the result (face has multiple shells,mixed face labeling in ring)

[PostGIS]

#6023: Silent topology error in the result (face has multiple shells,mixed face
labeling in ring)
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  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  closed
  Priority:  medium             |  Milestone:
 Component:  topology           |    Version:  3.6.x
Resolution:  fixed              |   Keywords:  robustness
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Comment (by strk):

 Upon further inspection I found that another reason for the wrong answer
 was that the first segment of the pointarray being tested is considered
 EMPTY due to p2d_same internally using a tolerance to consider two
 vertices equal.

 I thought we removed those tolerances long ago. Doing it today passes the
 whole testsuite so I'd lean toward doing that.

 Paul: are you ok with that ?
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6023#comment:23>
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