diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug600889.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug600889.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+// Binary: cache/js-dbg-64-98c134cf59ef-linux
+// Flags: -j
+//
+uneval = function(){}
+Function("\
+  function zz(aa) {\
+    if (aa) this.a = decodeURIComponent;\
+    gc();\
+    delete this.a\
+  }\
+  for each(c in [0, 0, 0, 0, 0, 0, 0, new Boolean(false), \
+                  0, new Boolean(false), new Boolean(false), \"\"]) {\
+    l=new zz(c)\
+  }\
+")()