diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug627486.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug627486.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+// |jit-test| error: TypeError
+// vim: set ts=8 sts=4 et sw=4 tw=99:
+g = undefined;
+function L() { }
+
+function h() {
+    with (h) { }
+    for (var i = 0; i < 10; i++)
+        g();
+}
+
+function f(x) {
+    g = x;
+}
+
+f(L);
+h();
+f(L);
+f(2);
+h();
+
+/* Don't assert/crash. */
+