Correction of BitSets.equals().

Author: iamstolis

regex/src/com.oracle.truffle.regex/src/com/oracle/truffle/regex/util/BitSets.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * The Universal Permissive License (UPL), Version 1.0
@@ -260,12 +260,12 @@ public static boolean equals(long[] bs1, long[] bs2) {
             }
         }
         for (int i = bs1.length; i < bs2.length; i++) {
-            if (bs1[i] != 0) {
+            if (bs2[i] != 0) {
                 return false;
             }
         }
         for (int i = bs2.length; i < bs1.length; i++) {
-            if (bs2[i] != 0) {
+            if (bs1[i] != 0) {
                 return false;
             }
         }