diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testContinueWithLabel4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testContinueWithLabel4.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+// bug 511575
+
+Function.prototype.X = 42;
+
+function ownProperties() {
+    var props = {};
+    var r = function () {};
+
+    outer:
+    for (var a in r) {
+        for (var b in r) {
+            if (a == b) {
+                continue outer;
+            }
+        }
+        print("SHOULD NOT BE REACHED");
+        props[a] = true;
+    }
+    return props;
+}
+
+for (var i = 0; i < 12; ++i) {
+    print(i);
+    ownProperties();
+}