[postgis-tickets] [PostGIS] #4016: tickets test fails with proj 5.0.0-rc2

[PostGIS]

#4016: tickets test fails with proj 5.0.0-rc2
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  Reporter:  Bas Couwenberg  |      Owner:  pramsey
      Type:  defect          |     Status:  new
  Priority:  medium          |  Milestone:  PostGIS 2.4.4
 Component:  postgis         |    Version:  2.4.x
Resolution:                  |   Keywords:
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Comment (by Algunenano):

 I've tried to reproduce it with a minimal repro case (`transform.c`
 attached) but I haven't had any luck; it returns a different error (-14
 instead of -20) and subsequent calls are not affected. I'll have to keep
 investigating.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4016#comment:5>
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