1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-9.js b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-9.js
new file mode 100644
index 0000000000..48c4cb806f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-9.js
@@ -0,0 +1,29 @@
+// 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 - modifications to length will change
+    number of iterations
+---*/
+
+var called = 0;
+
+function callbackfn(preVal, val, idx, obj) {
+  called++;
+}
+
+var arr = [0, 1, 2, 3];
+Object.defineProperty(arr, "4", {
+  get: function() {
+    arr.length = 2;
+  },
+  configurable: true
+});
+
+arr.reduceRight(callbackfn, "initialValue");
+
+assert.sameValue(called, 3, 'called');
+
+reportCompare(0, 0);