diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug915608.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug915608.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function f1() {
+    var b = new Float32Array(50);
+    for (var i=0; i < 100; true ? ++i : x.foo()) {
+        var x = b[i];
+        typeof x;
+    }
+}
+f1();