1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/testDelArg1.js b/js/src/jit-test/tests/arguments/testDelArg1.js
new file mode 100644
index 0000000000..a6b5eee326
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/testDelArg1.js
@@ -0,0 +1,13 @@
+function f(x,y,z) {
+  z = 9;
+  delete arguments[2];
+  assertEq(arguments[2], undefined);
+  o = arguments;
+  assertEq(o[2], undefined);
+  assertEq(o[2] == undefined, true);
+}
+
+for (var i = 0; i < 10; ++i) {
+    print(i);
+    f(1,2,3)
+}