1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-7.js b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-7.js
new file mode 100644
index 0000000000..658bc8a8bc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-7.js
@@ -0,0 +1,22 @@
+// 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.reduce
+description: >
+    Array.prototype.reduce stops calling callbackfn once the array is
+    deleted during the call
+---*/
+
+function callbackfn(prevVal, curVal, idx, obj) {
+  delete o.arr;
+  return prevVal + curVal;
+}
+
+var o = new Object();
+o.arr = ['1', 2, 3, 4, 5];
+
+assert.sameValue(o.arr.reduce(callbackfn), "12345", 'o.arr.reduce(callbackfn)');
+assert.sameValue(o.hasOwnProperty("arr"), false, 'o.hasOwnProperty("arr")');
+
+reportCompare(0, 0);