[SCM] PostGIS branch master updated. 3.6.0rc2-327-gbf36aef0c

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- Log -----------------------------------------------------------------
commit bf36aef0ca85b254b8576f0936d377612a4668c0
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Tue Feb 3 15:35:32 2026 -0800

    Allow geohash to round-trip to "geohash to geom" and "geom to geohash"
    circuit without getting collapsed.
    Applying just to master since a regression test required a change.
    
    Closes #6040

diff --git a/NEWS b/NEWS
index 43c732569..684606d3a 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@ xxxx/xx/xx
           (old default) to really mean 0 and want -1 (new default) to mean
           "use topology precision" (Sandro Santilli)
  - #6024, Remove support for PostgreSQL 12 and 13 (Regina Obe)
+ - #6040, ST_GeoHash round trip through ST_GeomFromGeoHash (Paul Ramsey)
 
 
 * New Features *
diff --git a/liblwgeom/lwalgorithm.c b/liblwgeom/lwalgorithm.c
index 0a467dfb6..2ddc721da 100644
--- a/liblwgeom/lwalgorithm.c
+++ b/liblwgeom/lwalgorithm.c
@@ -812,11 +812,11 @@ int lwgeom_geohash_precision(GBOX bbox, GBOX *bounds)
 		latwidth = latmax - latmin;
 		latmaxadjust = lonmaxadjust = latminadjust = lonminadjust = 0.0;
 
-		if ( minx > lonmin + lonwidth / 2.0 )
+		if ( minx >= lonmin + lonwidth / 2.0 )
 		{
 			lonminadjust = lonwidth / 2.0;
 		}
-		else if ( maxx < lonmax - lonwidth / 2.0 )
+		else if ( maxx <= lonmax - lonwidth / 2.0 )
 		{
 			lonmaxadjust = -1 * lonwidth / 2.0;
 		}
@@ -833,11 +833,11 @@ int lwgeom_geohash_precision(GBOX bbox, GBOX *bounds)
 			break;
 		}
 
-		if ( miny > latmin + latwidth / 2.0 )
+		if ( miny >= latmin + latwidth / 2.0 )
 		{
 			latminadjust = latwidth / 2.0;
 		}
-		else if (maxy < latmax - latwidth / 2.0 )
+		else if (maxy <= latmax - latwidth / 2.0 )
 		{
 			latmaxadjust = -1 * latwidth / 2.0;
 		}
diff --git a/regress/core/tickets_expected b/regress/core/tickets_expected
index 76ea65e71..b8b5e345c 100644
--- a/regress/core/tickets_expected
+++ b/regress/core/tickets_expected
@@ -421,8 +421,8 @@ ERROR:  BOX2D_construct: args can not be empty points
 #4399|ST_AsX3D|0 0 1 1 0 1
 #4399|ST_AsX3D|<IndexedTriangleSet  index='0 1 2'><Coordinate point='0 0 1 1 0 1'/></IndexedTriangleSet>
 #4399|ST_AsX3D|
-#4399|ST_GeoHash|
-#4399|ST_GeoHash|
+#4399|ST_GeoHash|s00
+#4399|ST_GeoHash|s00
 #4399|ST_GeoHash|
 #4399|ST_AsGeoJSON|{"type":"Polygon","coordinates":[[[0,0],[1,1],[0,1],[0,0]]]}
 #4399|ST_AsGeoJSON|{"type":"GeometryCollection","geometries":[{"type":"Polygon","coordinates":[[[0,0],[1,1],[0,1],[0,0]]]}]}

-----------------------------------------------------------------------

Summary of changes:
 NEWS                          | 1 +
 liblwgeom/lwalgorithm.c       | 8 ++++----
 regress/core/tickets_expected | 4 ++--
 3 files changed, 7 insertions(+), 6 deletions(-)


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