[PostGIS] #5889: Include location in topology errors

[PostGIS]

#5889: Include location in topology errors
----------------------+---------------------------
 Reporter:  strk      |      Owner:  strk
     Type:  defect    |     Status:  new
 Priority:  medium    |  Milestone:  PostGIS 3.6.0
Component:  topology  |    Version:  master
 Keywords:            |
----------------------+---------------------------
 When an error occurs during topology building, it would be useful to
 include location information in the raised error.

 Ideally the location information should be retrievable by clients, but for
 a start we could maybe just add a POINT wkt to the error.

 This would help debugging
 [https://trac.osgeo.org/postgis/query?component=topology&keywords=~robustness
 robustness issues] like #5886 or #5786
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5889>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.