1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug684281.js b/js/src/jit-test/tests/auto-regress/bug684281.js
new file mode 100644
index 000000000..6612a8718
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug684281.js
@@ -0,0 +1,14 @@
+// Binary: cache/js-dbg-64-fcca99426576-linux
+// Flags: -m -n -a
+//
+
+function printStatus (msg) {}
+F = function () {};
+F.prototype = new Int32Array(1);
+o = new F();
+function f2(o){
+	with(this)
+	for(var x in o)
+	printStatus(o[x]);
+}
+f2([]);