8297856: Improve handling of Bidi characters

Reviewed-by: mbalao, andrew
Backport-of: 244b89fc786894cb8cca742f91875ebb98b603ff

Author: Alexei Voitylov

jdk/src/share/classes/sun/text/bidi/BidiBase.java

@@ -3391,7 +3391,7 @@ public static void reorderVisually(byte[] levels,
                       levelStart + " is out of range 0 to " +
                       (objects.length-1));
         }
-        if (0 > count || objects.length < (objectStart+count)) {
+        if (0 > count || objects.length - count < objectStart) {
             throw new IllegalArgumentException("Value count " +
                       levelStart + " is out of range 0 to " +
                       (objects.length - objectStart));