diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug908915.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug908915.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+// |jit-test| error: 42
+function f(y) {}
+for each(let e in newGlobal()) {
+    if (e.name === "quit" || e.name == "readline" || e.name == "terminate" ||
+	e.name == "nestedShell")
+	continue;
+    try {
+        e();
+    } catch (r) {}
+}
+(function() {
+    arguments.__proto__.__proto__ = newGlobal()
+    function f(y) {
+        y()
+    }
+    for each(b in []) {
+	if (b.name === "quit" || b.name == "readline" || b.name == "terminate" ||
+	    b.name == "nestedShell")
+	    continue;
+        try {
+            f(b)
+        } catch (e) {}
+    }
+})();
+
+throw 42;