diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/bug-913715.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/bug-913715.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+try {
+    (function() {
+        Object.defineProperty(this, "x", {
+            get: function() {
+                Object.defineProperty(this, "y", {
+                    configurable: true,
+                    get: function() {
+                        return Proxy(this.y)
+                    }
+                });
+                x;
+            }
+        })
+    })()
+    x
+} catch (e) {}
+try {
+    x
+} catch (e) {}
+try {
+    x
+} catch (e) {}
+try {
+    y
+} catch (e) {}
+try {
+    y
+} catch (e) {}
+try {
+    y
+} catch (e) {}