diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug521163.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug521163.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+// |jit-test| error:ReferenceError
+
+// Binary: cache/js-dbg-32-c08baee44cf4-linux
+// Flags:
+//
+for (c in [0]) {
+    let(c = __defineGetter__("", function(){})) {
+        eval("function w(){}")++
+    }
+}