diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug942604.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug942604.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+for (var j = 0; j < 999; ++j) {
+    try {
+        (function() {
+            function f(x) {
+                x = (new Float32Array)[i >> 2];
+                {}(w) = arguments[0]
+            }
+            return f
+        })()();
+    } catch (e) {}
+}