1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/literals/regexp/u-invalid-class-escape.js b/js/src/tests/test262/language/literals/regexp/u-invalid-class-escape.js
new file mode 100644
index 0000000000..fe11f66da5
--- /dev/null
+++ b/js/src/tests/test262/language/literals/regexp/u-invalid-class-escape.js
@@ -0,0 +1,24 @@
+// |reftest| error:SyntaxError
+// 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-patterns
+es6id: 21.2.1
+description: >
+    ClassEscape does not recognize "class control" patterns
+info: |
+    ClassEscape[U] ::
+        b
+        [+U] -
+        CharacterClassEscape
+        CharacterEscape[?U]
+
+    The `u` flag precludes the Annex B extension that enables this pattern.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+/\c0/u;