#
#  Fix changes from 1485179 part 2, by adding yet another masking to 3 bits
#  (as commented in the code a little above, regarding the bug 1508921)
#

--- mozilla/layout/tables/nsTableFrame.cpp.orig	2022-08-24 22:55:12.000000000 +0300
+++ mozilla/layout/tables/nsTableFrame.cpp	2022-09-27 20:44:38.693506472 +0300
@@ -5366,7 +5366,7 @@ BCCornerInfo::Update(mozilla::LogicalSid
     bool existingWins = false;
     tempBorder = CompareBorders(CELL_CORNER, oldBorder, aBorder, isInline, &existingWins);
 
-    ownerElem  = tempBorder.owner;
+    ownerElem  = tempBorder.owner & 0x7;
     ownerStyle = tempBorder.style;
     ownerWidth = tempBorder.width;
     ownerColor = tempBorder.color;