1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/firstSlotConflict.js b/js/src/jit-test/tests/basic/firstSlotConflict.js
new file mode 100644
index 0000000000..fe6ef51c7c
--- /dev/null
+++ b/js/src/jit-test/tests/basic/firstSlotConflict.js
@@ -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 (var v of a)
+        v.adhoc = 42;   // Don't assertbotch in jsbuiltins.cpp setting g.adhoc
+})(33);