diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/properly-remove-timeout-root-before-shutdown.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/properly-remove-timeout-root-before-shutdown.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,5 @@
+// Bug 857050: Remove the timeout function root before shutting down.
+function timeoutfunc() {}
+timeout(1, timeoutfunc);
+var g = newGlobal();
+var dbg = Debugger(g);