diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug716504.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug716504.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+function f(x, from, to) {
+    var y = 0;
+    for (var i=from; i<to; i++) {
+        y = i * x;
+    }
+    return y;
+}
+
+assertEq(f(0, 0, 200), 0);
+assertEq(f(0, -10, -5), -0);