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diff --git a/js/src/tests/test262/annexB/language/literals/regexp/non-empty-class-ranges.js b/js/src/tests/test262/annexB/language/literals/regexp/non-empty-class-ranges.js
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+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-regular-expressions-patterns
+es6id: B.1.4
+description: Extensions to NonemptyClassRanges production
+info: |
+    The production NonemptyClassRanges :: ClassAtom-ClassAtom ClassRanges
+    evaluates as follows:
+
+    1. Evaluate the first ClassAtom to obtain a CharSet A.
+    2. Evaluate the second ClassAtom to obtain a CharSet B.
+    3. Evaluate ClassRanges to obtain a CharSet C.
+    4. Call CharacterRangeOrUnion(A, B) and let D be the resulting CharSet.
+    5. Return the union of CharSets D and C.
+
+    B.1.4.1.1 Runtime Semantics: CharacterRangeOrUnion Abstract Operation
+
+    1. If Unicode is false, then
+       a. If A does not contain exactly one character or B does not contain
+          exactly one character, then
+          i. Let C be the CharSet containing the single character - U+002D
+             (HYPHEN-MINUS).
+          ii. Return the union of CharSets A, B and C.
+    2. Return CharacterRange(A, B).
+---*/
+
+var match;
+
+match = /[--\d]+/.exec('.-0123456789-.');
+assert.sameValue(match[0], '-0123456789-');
+
+match = /[--\dz]+/.exec('.-0123456789z-.');
+assert.sameValue(match[0], '-0123456789z-');
+
+reportCompare(0, 0);