diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug599464.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug599464.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// Binary: cache/js-dbg-64-1c913526c597-linux
+// Flags:
+//
+aa = eval
+function bb() {
+    this.eval = aa
+}
+var f = (function () {
+    (Object.seal)(this)
+    l
+})
+try {
+    f()
+} catch (r) {}
+bb()
+try {
+    f()
+} catch (r) {
+    bb()
+}