--- old/src/java.base/share/classes/java/text/CalendarBuilder.java	2019-12-10 20:20:04.634330842 +0000
+++ new/src/java.base/share/classes/java/text/CalendarBuilder.java	2019-12-10 20:20:04.514330709 +0000
@@ -150,7 +150,7 @@
         StringJoiner sj = new StringJoiner(",", "CalendarBuilder:[", "]");
         for (int i = 0; i < field.length; i++) {
             if (isSet(i)) {
-                sj.add(i + "=" + field[MAX_FIELD + i]);
+                sj.add(i + "=" + field[i]);
             }
         }
         return sj.toString();