diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug588338.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug588338.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+// |jit-test| error: is not a function
+function f() { (e)
+} (x = Proxy.createFunction((function(x) {
+  return {
+    get: function(r, b) {
+      return x[b]
+    }
+  }
+})(/x/), wrap))
+for (z = 0; z < 100; x.unwatch(), z++)
+for (e in [0]) {
+  gczeal(2)
+} ( [1,2,3])("")
+