diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/bug-986864.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/bug-986864.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+// |jit-test| slow
+function x() {}
+for (var j = 0; j < 9999; ++j) {
+    (function() {
+        x += x.watch("endsWith", ArrayBuffer);
+        return 0 >> Function(x)
+    })()
+}