diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testInterpreterReentry6.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testInterpreterReentry6.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+function testInterpreterReentry6() {
+    var obj = {a:1, b:1, c:1, d:1, set e(x) { this._e = x; }};
+    for (var p in obj)
+        obj[p] = "grue";
+    return obj._e;
+}
+assertEq(testInterpreterReentry6(), "grue");