diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug737300.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug737300.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+// |jit-test| error:ReferenceError
+
+// Binary: cache/js-dbg-64-b5b6e6aebb36-linux
+// Flags: --ion-eager
+//
+
+function loopy(p0)
+{
+ var r3 = p0;
+ var r4 = p0;
+ var r6 = p0;
+ var r7 = p0;
+ while (r2) {
+  while (r2) {
+   r5 = r6 & r1;
+   r3 = r4 & r3;
+   r2 = r7;
+  }
+ }
+}
+loopy(0);