--- old/src/java.base/share/classes/java/time/temporal/ChronoField.java	2017-11-22 10:51:16.294222096 -0800
+++ new/src/java.base/share/classes/java/time/temporal/ChronoField.java	2017-11-22 10:51:15.945215422 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -79,6 +79,7 @@
 import java.util.Locale;
 import java.util.Objects;
 import java.util.ResourceBundle;
+import sun.util.locale.provider.CalendarDataUtility;
 import sun.util.locale.provider.LocaleProviderAdapter;
 import sun.util.locale.provider.LocaleResources;
 
@@ -632,7 +633,9 @@
         }
 
         LocaleResources lr = LocaleProviderAdapter.getResourceBundleBased()
-                                    .getLocaleResources(locale);
+                                    .getLocaleResources(
+                                        CalendarDataUtility
+                                            .findRegionOverride(locale).orElse(locale));
         ResourceBundle rb = lr.getJavaTimeFormatData();
         String key = "field." + displayNameKey;
         return rb.containsKey(key) ? rb.getString(key) : name;