1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/arguments-6.js b/js/src/jit-test/tests/for-of/arguments-6.js
new file mode 100644
index 0000000000..b8129561d2
--- /dev/null
+++ b/js/src/jit-test/tests/for-of/arguments-6.js
@@ -0,0 +1,16 @@
+// Changing arguments.length affects a for-of loop iterating over arguments.
+
+load(libdir + "iteration.js");
+
+Object.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
+
+var s;
+function f() {
+    arguments.length = 2;
+    for (var v of arguments)
+        s += v;
+}
+
+s = '';
+f('a', 'b', 'c', 'd', 'e');
+assertEq(s, 'ab');