1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1733899.js b/js/src/jit-test/tests/basic/bug1733899.js
new file mode 100644
index 0000000000..4d829be655
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1733899.js
@@ -0,0 +1,14 @@
+a = {}
+a[Symbol.iterator] = function() {
+  return {
+    next() {
+      return {
+        done: this
+      }
+    }
+  }
+}
+function b([[]] = a) {}
+try {
+  b();
+} catch {}