diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/bug642405.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/bug642405.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+function startTest() {};
+try {
+}
+catch(ex)
+{
+  actual = ex + '';
+}
+var actual = 'no error';
+var prefValue;
+DESCRIPTION = "var class = true";
+EXPECTED = "error";
+foo(EXPECTED[prefValue], DESCRIPTION[prefValue], startTest[prefValue]);
+function foo() {}