--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/util/Locale/Bug8179071.java	Mon Apr 30 11:59:42 2018 +0530
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2018, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+ /*
+ * @test
+ * @bug 8179071
+ * @summary Test that language aliases of CLDR supplemental metadata are handled correctly.
+ * @modules jdk.localedata
+ * @run main/othervm -Djava.locale.providers=CLDR Bug8179071
+ */
+
+/**
+ * This fix is dependent on a particular version of CLDR data.
+ */
+
+import java.time.Month;
+import java.time.format.TextStyle;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+
+public class Bug8179071 {
+
+    // Deprecated and Legacy tags.
+    private static final Set<String> LegacyAliases = Set.of("pa-PK", "ug-Arab-CN", "kk-Cyrl-KZ",
+            "bs-BA", "ks-Arab-IN", "mn-Cyrl-MN", "ha-Latn-NE",
+            "shi-MA", "ha-Latn-NG", "ms-Latn-BN","ms-Latn-SG",
+            "ky-Cyrl-KG", "az-AZ", "zh-guoyu", "zh-min-nan", "i-klingon", "i-tsu",
+            "sr-XK", "sgn-CH-DE", "mo", "i-tay", "scc", "uz-UZ", "uz-AF", "sr-RS",
+            "i-hak", "sgn-BE-FR", "i-lux", "vai-LR", "tl", "zh-hakka", "i-ami", "aa-SAAHO", "ha-Latn-GH",
+            "zh-xiang", "i-pwn", "sgn-BE-NL", "jw", "sh", "tzm-Latn-MA", "i-bnn");
+    // expected month format data for  locales after language aliases replacement.
+    private static Map<String, String> shortJanuaryNames = Map.of( "pa-PK", "\u062c\u0646\u0648\u0631\u06cc",
+                                                          "uz-AF" , "\u062c\u0646\u0648",
+                                                          "sr-ME", "jan",
+                                                          "scc", "\u0458\u0430\u043d",
+                                                          "sh", "jan",
+                                                          "ha-Latn-NE", "Jan",
+                                                          "i-lux", "Jan.");
+
+
+    private static void test(String tag, String expected) {
+        Locale target = Locale.forLanguageTag(tag);
+        Month day = Month.JANUARY;
+        TextStyle style = TextStyle.SHORT;
+        String actual = day.getDisplayName(style, target);
+        if (!actual.equals(expected)) {
+            throw new RuntimeException("failed for locale  " + tag + " actual output " + actual +"  does not match with  " + expected);
+        }
+    }
+
+    /**
+     * getAvailableLocales() should not contain any deprecated or Legacy language tags
+     */
+    private static void checkInvalidTags() {
+        Set<String> invalidTags = new HashSet<>();
+        Arrays.asList(Locale.getAvailableLocales()).stream()
+                .map(loc -> loc.toLanguageTag())
+                .forEach( tag -> {if(LegacyAliases.contains(tag)) {invalidTags.add(tag);}});
+        if (!invalidTags.isEmpty()) {
+          throw new RuntimeException("failed: Deprecated and Legacy tags found  " + invalidTags  + " in AvailableLocales ");
+        }
+    }
+
+    public static void main(String[] args) {
+        shortJanuaryNames.forEach((key, value) -> test(key, value));
+        checkInvalidTags();
+    }
+}