From e31b7c43b0a355d26f6169bbff41fe30cda73d9a Mon Sep 17 00:00:00 2001
From: littledan <microdan@gmail.com>
Date: Fri, 20 Jan 2017 11:56:46 -0800
Subject: [PATCH] Test for case-insensitivity in invalid BCP 47 usage (#836)

This patch adds a regression test for a previous V8 bug reported originally at
https://bugs.chromium.org/p/v8/issues/detail?id=4215
---
 test/intl402/6.2.2_b.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/intl402/6.2.2_b.js b/test/intl402/6.2.2_b.js
index 17552f207f..d9a6d1b24d 100644
--- a/test/intl402/6.2.2_b.js
+++ b/test/intl402/6.2.2_b.js
@@ -18,7 +18,9 @@ var invalidLanguageTags = [
     "i_klingon",
     "cmn-hans-cn-t-ca-u-ca-x_t-u",
     "enochian_enochian",
-    "de-gregory_u-ca-gregory"
+    "de-gregory_u-ca-gregory",
+    "de-tester-Tester",  // Case-insensitive duplicate variant subtag
+    "de-DE-u-kn-true-U-kn-true",  // Case-insensitive duplicate singleton subtag
 ];
 
 testWithIntlConstructors(function (Constructor) {
-- 
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