diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug816492.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug816492.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function TestCase(n, d, e, a) {}
+function reportCompare () {
+      var testcase = new TestCase();
+}
+reportCompare();
+schedulegc(10);
+this.TestCase=Number;
+reportCompare(4294967295.5);