diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug707750.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug707750.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+// |jit-test| error: ReferenceError
+var lfcode = new Array();
+lfcode.push("gczeal(4);");
+lfcode.push('print(BUGNUMBER + ": " + (W       --    ));');
+while (true) {
+        var file = lfcode.shift(); if (file == undefined) { break; }
+        eval(file);
+}
+