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diff --git a/js/src/tests/test262/language/literals/string/line-separator.js b/js/src/tests/test262/language/literals/string/line-separator.js
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+++ b/js/src/tests/test262/language/literals/string/line-separator.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  U+2028 LINE SEPARATOR can appear in string literals.
+info: |
+  11.8.4 String Literals
+
+  All code points may appear literally in a string literal except for the
+  closing quote code points, U+005C (REVERSE SOLIDUS), U+000D (CARRIAGE RETURN),
+  and U+000A (LINE FEED).
+features: [json-superset]
+---*/
+
+// U+2028 in strings; UTF8(0x2028) = 0xE2 0x80 0xA8
+assert.sameValue(" ", "\u2028");
+
+reportCompare(0, 0);