1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug621022-2.js b/js/src/jit-test/tests/basic/bug621022-2.js
new file mode 100644
index 000000000..0f3549c02
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug621022-2.js
@@ -0,0 +1,13 @@
+function f(j) {
+    var a = [[1],[1],[1],[1],[1],[1],[1],[1],[1],arguments];
+    var b;
+    for (var i = 0; i < a.length; i++) {
+        delete a[i][0];
+        b = arguments[0];
+    }
+    assertEq(b === undefined, true);
+}
+
+f(1);
+
+