diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug905999.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug905999.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+// |jit-test| ion-eager
+function reportCompare (expected) {
+  typeof expected;
+}
+var expect = 'No Crash';
+var array = new Array(10);
+for (var i = 0; i != array.length; ++i) {
+  gc();
+}
+var expect = array.length;
+reportCompare(expect);