diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug650574.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug650574.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+// |jit-test| error:InternalError
+
+// Binary: cache/js-dbg-64-0906d9490eaf-linux
+// Flags:
+//
+var e = Error('');
+e.fileName = e;
+e.toSource();
+--> Crash with too much recursion in exn_toSource