[PostGIS] #5851: pg18 support

[PostGIS]

#5851: pg18 support
-----------------------+---------------------------
  Reporter:  RekGRpth  |      Owner:  pramsey
      Type:  defect    |     Status:  reopened
  Priority:  medium    |  Milestone:  PostGIS 3.5.3
 Component:  postgis   |    Version:  master
Resolution:            |   Keywords:
-----------------------+---------------------------
Changes (by robe):

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

Comment:

 well it compiles now but giving this regress failure


 {{{
  regress/core/regress_index .. failed (diff expected obtained:
 /tmp/pgis_reg/test_54_diff)
 -----------------------------------------------------------------------------
 --- ./regress/core/regress_index_expected       2025-03-03
 02:49:45.864338590 +0000
 +++ /tmp/pgis_reg/test_54_out   2025-03-03 02:51:35.699789217 +0000
 @@ -10,12 +10,12 @@
  27373|POINT(125.017705 130.219927)
  33863|POINT(131.608071 127.468328)
  45851|POINT(130.986464 132.890625)
 -&&|1|5+-5:true
 -&&|2|912+-60:true
 -&&|3|12505+-500:true
 -&&|4|50000+-600:true
 -expr &&|1|5+-5:true
 -expr &&|2|912+-60:true
 -expr &&|3|12505+-500:true
 -expr &&|4|50000+-600:true
 +&&|1|
 +&&|2|
 +&&|3|
 +&&|4|
 +expr &&|1|
 +expr &&|2|
 +expr &&|3|
 +expr &&|4|
  _st_sortablehash|0|768602608280535040|768602608280535040
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5851#comment:4>
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