diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug642319.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug642319.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+
+test();
+function test() {
+        function f() {
+                function test( ) { summary( summary, test, false ); }
+        }
+        f.__proto__ = this;
+}
+gc();
+test();