1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-6.js b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-6.js
new file mode 100644
index 0000000000..2e9479fca9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-6.js
@@ -0,0 +1,25 @@
+// 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.reduceright
+description: >
+    Array.prototype.reduceRight visits deleted element in array after
+    the call when same index is also present in prototype
+---*/
+
+function callbackfn(prevVal, curVal, idx, obj)
+{
+  delete arr[1];
+  delete arr[2];
+  return prevVal + curVal;
+}
+Array.prototype[2] = 6;
+var arr = ['1', 2, 3, 4, 5];
+var res = arr.reduceRight(callbackfn);
+delete Array.prototype[2];
+
+//one element deleted
+assert.sameValue(res, "151", 'res');
+
+reportCompare(0, 0);