diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug863084.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug863084.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+// |jit-test| error: too much recursion
+function f(code) {
+    try {
+        eval(code)
+    } catch (e) {}
+    eval(code)
+}
+f("\
+    z=evalcx('');\
+    gc();\
+    z.toString=(function(){\
+        v=evaluate(\"(Math.atan2(\\\"\\\",this))\",{\
+            global:z,newContext:7,catchTermination:this\
+        });\
+    });\
+    String(z)\
+")