diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug516897.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug516897.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+// Binary: cache/js-dbg-64-38754465ffde-linux
+// Flags:
+//
+this.__defineSetter__("x", gc);
+this.watch("x",function(){return});
+x = 3;