diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/setgname-reconfigured.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/setgname-reconfigured.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+for (p in this) {
+    delete p;
+}
+for (p in this) {}
+evaluate("for(var i=0; i<50; i++) p = 1");
+assertEq(p, 1);