diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/closures/setname-loop.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/closures/setname-loop.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+actual = '';
+expected = '2,4,8,16,32,32,undefined,2,4,8,16,32,32,undefined,2,4,8,16,32,32,undefined,2,4,8,16,32,32,undefined,2,4,8,16,32,32,undefined,';
+
+var f = function() {
+  var p = 1;
+  
+  function g() {
+    for (var i = 0; i < 5; ++i) {
+      p = p * 2;
+      appendToActual(p);
+    }
+  }
+  
+  g();
+  
+  appendToActual(p);
+}
+
+for (var i = 0; i < 5; ++i) {
+  f();
+  appendToActual();
+}
+
+
+
+assertEq(actual, expected)