diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/bug-886551-2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/bug-886551-2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+gc();
+gcslice(0);
+function isClone(a, b) {
+        var rmemory = new WeakMap();
+            rmemory.set(a,b);
+}
+isClone([]);