1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/args-mutate-proto-2.js b/js/src/jit-test/tests/arguments/args-mutate-proto-2.js
new file mode 100644
index 0000000000..9645f88090
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/args-mutate-proto-2.js
@@ -0,0 +1,16 @@
+function outOfBounds() {
+  var proto = [];
+  Object.setPrototypeOf(arguments, proto);
+
+  var N = 100;
+  for (var i = 0; i <= N; ++i) {
+    if (i === N) {
+      proto[0] = "pass";
+    }
+
+    var arg = arguments[0];
+
+    assertEq(arg, i !== N ? undefined : "pass");
+  }
+}
+outOfBounds();