diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug674664-3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug674664-3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+// vim: set ts=8 sts=4 et sw=4 tw=99:
+function f0(p0) {
+    var v0;
+    do {
+        v0 = p0;
+    } while (v0);
+    if (v0 & p0)
+        v0 = (p0 & v0);
+}
+f0(0);