diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/name-inactive-del.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/name-inactive-del.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+function mp(g) {
+  var ans = '';
+  for (var i = 0; i < 5; ++i) {
+    ans += g();
+  }
+
+  return ans;
+}
+
+function f() {
+  var k = 5;
+
+  function g() {
+    return k;
+  }
+
+  ans = '';
+
+  k = 6;
+  ans += mp(g);
+
+  delete k;
+  ans += mp(g);
+
+  return ans;
+}
+
+assertEq(f(), '6666666666');