diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/firstSlotConflict.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/firstSlotConflict.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+(function(x) {
+    function f1() { return 1; }
+    function f2() { return 2; }
+    function f3() { return 3; }
+    function f4() { return 4; }
+    var g = function () { return x; }
+    var a = [f1, f2, f3, f4, g];
+    for each (var v in a)
+        v.adhoc = 42;   // Don't assertbotch in jsbuiltins.cpp setting g.adhoc
+})(33);