diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/bug639882.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/bug639882.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,5 @@
+var x = 2;
+x = -(x == 3);
+
+var y = "";
+typeof(z) + typeof(eval("z = y"));