diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug550665.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug550665.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+(function () {
+  var a;
+  eval("for(w in ((function(x,y){b:0})())) ;");
+})();
+
+this.__defineSetter__("l", function() { gc() });
+this.watch("l", function(x) { yield {} });
+l = true;