diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug893853.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug893853.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+
+function f() {}
+new EvalTest();
+function EvalTest() {
+  with (this) {
+    f(EvalTest)
+  }
+}
+evaluate("var obj = new f(1, 'x');");