diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug674664-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug674664-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+timeout(5);
+function f0() {
+    var v0;
+    v0 = v0;
+    v0 = v0;
+    v0;
+    while ((v0 + v0)) {
+        v0 = (v0 | v0);
+    }
+    v0 = (v0 + (v0 + ((v0 + ((v0 ^ v0) & (v0 | v0))) + v0)));
+    while (v0) {
+        v0 = v0;
+        break;
+    }
+}
+f0();
+