diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug729884.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug729884.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,3 @@
+function x() {}
+evaluate("var x = JSON.stringify({});");
+evaluate("for (a = 0; a < 13; ++a) { if (!x) { } }");