1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/RegExp/named-groups/non-unicode-malformed-lookbehind.js b/js/src/tests/test262/annexB/built-ins/RegExp/named-groups/non-unicode-malformed-lookbehind.js
new file mode 100644
index 0000000000..9c8ab7ba6b
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/RegExp/named-groups/non-unicode-malformed-lookbehind.js
@@ -0,0 +1,17 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-GroupSpecifier
+description: >
+  \k is parsed as IdentityEscape as look-behind assertion is not a GroupName.
+features: [regexp-named-groups, regexp-lookbehind]
+---*/
+
+assert(/\k<a>(?<=>)a/.test("k<a>a"));
+assert(/(?<=>)\k<a>/.test(">k<a>"));
+
+assert(/\k<a>(?<!a)a/.test("k<a>a"));
+assert(/(?<!a>)\k<a>/.test("k<a>"));
+
+reportCompare(0, 0);