1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-1-12.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-1-12.js
new file mode 100644
index 0000000000..ad8fdee8d0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-1-12.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.lastindexof
+description: Array.prototype.lastIndexOf applied to RegExp object
+---*/
+
+var obj = new RegExp("afdasf");
+obj.length = 100;
+obj[1] = "afdasf";
+
+assert.sameValue(Array.prototype.lastIndexOf.call(obj, "afdasf"), 1, 'Array.prototype.lastIndexOf.call(obj, "afdasf")');
+
+reportCompare(0, 0);