1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/mapped-freeze.js b/js/src/jit-test/tests/arguments/mapped-freeze.js
new file mode 100644
index 0000000000..e60cb24233
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/mapped-freeze.js
@@ -0,0 +1,8 @@
+function f(a) {
+  Object.freeze(arguments);
+  a = 1;
+  return arguments[0];
+}
+
+assertEq(f(10), 10);
+assertEq(f("hello"), "hello");