[SCM] PostGIS branch stable-3.6 updated. 3.6.3-14-gdaae069ef

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       via  daae069eff9c6427d3f2801616998774436d3de5 (commit)
       via  34cc1957e8b999b8981fc019eff5330efb203c89 (commit)
       via  0eb46c8d2c01d5e511d4c7e21531e694be0ce00c (commit)
      from  bc9704020c519f3b2fccf4376bd2bf4f85236880 (commit)

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- Log -----------------------------------------------------------------
commit daae069eff9c6427d3f2801616998774436d3de5
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Mon Jun 8 10:17:31 2026 -0700

    Remove unused PostgreSQL headers

diff --git a/libpgcommon/lwgeom_transform.c b/libpgcommon/lwgeom_transform.c
index a092fc480..18e7ea631 100644
--- a/libpgcommon/lwgeom_transform.c
+++ b/libpgcommon/lwgeom_transform.c
@@ -17,8 +17,6 @@
 #include "miscadmin.h"
 #include "utils/memutils.h"
 #include "executor/spi.h"
-#include "access/hash.h"
-#include "utils/hsearch.h"
 
 /* PostGIS headers */
 #include "../postgis_config.h"
diff --git a/postgis/lwgeom_geos_prepared.h b/postgis/lwgeom_geos_prepared.h
index e945d95c5..f38ac0308 100644
--- a/postgis/lwgeom_geos_prepared.h
+++ b/postgis/lwgeom_geos_prepared.h
@@ -27,7 +27,6 @@
 #include "postgres.h"
 #include "fmgr.h"
 #include "miscadmin.h"
-#include "utils/hsearch.h"
 #include "utils/memutils.h"
 #include "access/hash.h"
 

commit 34cc1957e8b999b8981fc019eff5330efb203c89
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Jun 4 13:44:05 2026 -0700

    News entry for #3916

diff --git a/NEWS b/NEWS
index 06510b3a9..d03d043fa 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ PostGIS 3.6.4
 - GH-862, use SFCGAL undeprecated function sfcgal_geometry_tessellate() (Jean Felder)
 - Flatgeobuf schema mismatch vulnerability (NeuroWinter)
 - #5899, pg_upgrade issue for non-standard geography SRID (Paul Ramsey)
+- #5916, ST_Split hang with very large ordinates (Paul Ramsey)
 
 
 PostGIS 3.6.3

commit 0eb46c8d2c01d5e511d4c7e21531e694be0ce00c
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Jun 4 13:38:04 2026 -0700

    Avoid Inf looping and memory use in ST_Split
    
    When fed with very large coordinates, ST_Split could be
    fooled into an Inf loop, this fixes that case,
    closes #5916

diff --git a/liblwgeom/lwgeom_geos_split.c b/liblwgeom/lwgeom_geos_split.c
index a69b3d502..15ca6ff5c 100644
--- a/liblwgeom/lwgeom_geos_split.c
+++ b/liblwgeom/lwgeom_geos_split.c
@@ -282,9 +282,12 @@ lwline_split_by_point_to(const LWLINE* lwline_in, const LWPOINT* blade_in,
 
 	LWDEBUGF(3, "Projected point:(%.15g %.15g), seg:%d, p1:(%.15g %.15g), p2:(%.15g %.15g)", pt_projected.x, pt_projected.y, seg, p1.x, p1.y, p2.x, p2.y);
 
-	/* When closest point == an endpoint, this is a boundary intersection */
-	if ( ( (seg == nsegs-1) && P4D_SAME_STRICT(&pt_projected, &p2) ) ||
-	     ( (seg == 0)       && P4D_SAME_STRICT(&pt_projected, &p1) ) )
+	/* When closest point == an endpoint, this is a boundary intersection.
+	 * Compare only X and Y since pt_projected.x/y were forced to pt.x/y above,
+	 * and Z/M may be NaN when line coordinates are very large (causing Inf/Inf
+	 * in closest_point_on_segment). See #5916. */
+	if ( ( (seg == nsegs-1) && (pt_projected.x == p2.x) && (pt_projected.y == p2.y) ) ||
+	     ( (seg == 0)       && (pt_projected.x == p1.x) && (pt_projected.y == p1.y) ) )
 	{
 		return 1;
 	}

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

Summary of changes:
 NEWS                           | 1 +
 liblwgeom/lwgeom_geos_split.c  | 9 ++++++---
 libpgcommon/lwgeom_transform.c | 2 --
 postgis/lwgeom_geos_prepared.h | 1 -
 4 files changed, 7 insertions(+), 6 deletions(-)


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