diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/closures/setname-no-pop.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/closures/setname-no-pop.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+actual = '';
+expected = '';
+
+(function () {
+    var y;
+    (eval("(function () {\
+               for (var x = 0; x < 3; ++x) {\
+               ''.replace(/a/, (y = 3))\
+               }\
+           });\
+     "))()
+})()
+
+
+
+assertEq(actual, expected)