2 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/1883837.js b/js/src/jit-test/tests/arguments/1883837.js
new file mode 100644
index 0000000000..3fb7ac7944
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/1883837.js
@@ -0,0 +1,10 @@
+let threw = false;
+try {
+    ({
+        a: arguments.length
+    } = 0);
+} catch (error) {
+    assertEq(error instanceof ReferenceError, true);
+    threw = true;
+}
+assertEq(threw, true);
diff --git a/js/src/jit-test/tests/arguments/argumentsNaming.js b/js/src/jit-test/tests/arguments/argumentsNaming.js
new file mode 100644
index 0000000000..7532172873
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/argumentsNaming.js
@@ -0,0 +1,3 @@
+let arguments = {}
+arguments.length = () => { };
+assertEq(arguments.length.name, "");