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diff --git a/js/src/tests/test262/language/reserved-words/ident-reference-null-escaped.js b/js/src/tests/test262/language/reserved-words/ident-reference-null-escaped.js
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index 0000000000..e23d0a9918
--- /dev/null
+++ b/js/src/tests/test262/language/reserved-words/ident-reference-null-escaped.js
@@ -0,0 +1,21 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+description: >
+ `false` is a reserved word and cannot be used as an identifier reference.
+info: |
+ Identifier : IdentifierName but not ReservedWord
+
+ It is a Syntax Error if StringValue of IdentifierName is the same String
+ value as the StringValue of any ReservedWord except for yield.
+negative:
+ phase: parse
+ type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+nul\u006c = 0;