1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-block-duplicate-binding.js b/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-block-duplicate-binding.js
new file mode 100644
index 0000000000..2217ee010e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/syntax/early-errors/class-definition-evaluation-block-duplicate-binding.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.1.1
+description: >
+    Block : { StatementList }
+
+    It is a Syntax Error if the LexicallyDeclaredNames of StatementList contains any duplicate entries.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+{
+  class A {}
+  class A {}
+}