diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug706699.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug706699.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+// |jit-test| error: 2
+function g(x, y) {
+    return x + y;
+}
+
+function f(g, x, y) {
+    // return x + y;
+    return g(x, y);
+}
+
+assertEq(g(4, 5), 9);
+
+obj = { valueOf: function () { throw 2; } };
+
+print(f(g, obj, 2));
+