diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testFunApplyMadness1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testFunApplyMadness1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+function g() { assertEq(false, true) }
+var ct = 0;
+
+function f(b) {
+    var a = arguments;
+    if (b)
+        f(false);
+    else
+        g = {
+            apply:function(x,y) {
+                ++ct;
+                assertEq(x, null);
+                assertEq(typeof y[0], "boolean");
+            }
+        };
+    g.apply(null, a);
+}
+f(true);
+assertEq(ct, 2);