diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug677163.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug677163.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+function f0() {
+    var v0;
+    do {
+        v0 = (v0 & v0) + v0;
+        continue;
+    } while (v0);
+}
+assertEq(f0(), undefined);
+