diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testNewWithClone.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testNewWithClone.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+with({}) {
+    function f() {
+        this.foo = "bar";
+    }
+    o = new f();
+    assertEq(o.foo, "bar");
+}