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diff --git a/deps/v8/test/intl/regress-9812.js b/deps/v8/test/intl/regress-9812.js
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+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+const locales = [
+  "cs",
+  "cs-CZ",
+  "en-001",
+  "en-150",
+  "en-TV",
+  "es-419",
+  "es-AR",
+  "fil",
+  "fr-CA",
+  "id",
+  "in",
+  "lt",
+  "nl",
+  "pl",
+  "pt-PT",
+  "sr-ME",
+  "sv",
+  "uk",
+  "vi",
+];
+
+const calendars = [
+    // Calendars we know have issues
+    "islamic",
+    "islamic-civil",
+    "islamic-tbla",
+    "islamic-umalqura",
+    "ethiopic-amete-alem",
+    "islamicc",
+    "ethioaa",
+    "islamic-rgsa",
+
+    // Other calendars
+    "gregory",
+    "japanese",
+    "buddhist",
+    "roc",
+    "persian",
+    "islamic",
+    "hebrew",
+    "chinese",
+    "indian",
+    "coptic",
+    "ethiopic",
+    "iso8601",
+    "dangi",
+    "chinese",
+];
+
+let d1 = new Date(2019, 3, 4);
+let d2 = new Date(2019, 5, 6);
+
+calendars.forEach(function(calendar) {
+  locales.forEach(function(baseLocale) {
+    let locale = `${baseLocale}-u-ca-${calendar}`;
+    assertDoesNotThrow(
+        () => (new Intl.DateTimeFormat(locale)).formatRange(d1, d2),
+        `Using Intl.DateFormat formatRange with ${locale} should not throw`);
+  })
+})