diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug701956.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug701956.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+function test() {
+    function f(arr, i) {
+        arr[3] |= i;
+    }
+
+    var a = [1, 2, 3, 4, 5];
+
+    for (var i=0; i<100; i++) {
+        f(a, i * 2);
+    }
+    assertEq(a[3], 254);
+}
+test();