diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug555206.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug555206.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+// |jit-test| error: TypeError
+__defineGetter__("x", function() { return /a/.exec(undefined); } );
+" ".replace(/\s/,"");
+x.b