1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/callobj-tdz.js b/js/src/jit-test/tests/ion/callobj-tdz.js
new file mode 100644
index 0000000000..fff872a23e
--- /dev/null
+++ b/js/src/jit-test/tests/ion/callobj-tdz.js
@@ -0,0 +1,14 @@
+// CallObject with TDZ arguments
+function test(
+  a00, a01, a02, a03, a04, a05, a06, a07, a08, a09,
+  a10, a11, a12, a13, a14, a15, a16, a17, a18, a19,
+  {} = () => {
+    with ({}) {};
+    return a00;
+  }) {
+}
+
+// Warm-up JITs
+for (var i = 0; i < 2000; ++i) {
+  test();
+}