diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug680621.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug680621.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+// Don't assert.
+function f0(p0) {
+    var v0 = 0 < 0;
+    var v1;
+    v1 + p0;
+    if (v0)
+        v1 = p0 | 0;
+}
+f0(5000);
+