1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/optimize-get-iterator-5.js b/js/src/jit-test/tests/cacheir/optimize-get-iterator-5.js
new file mode 100644
index 0000000000..42aab01057
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/optimize-get-iterator-5.js
@@ -0,0 +1,19 @@
+(() => {
+    var returnCalled = false;
+    Object.defineProperty(globalThis, 'x', {
+      get() {
+        return 42;
+      },
+      set(value) {
+        ({}).__proto__.return = () => {
+          returnCalled = true;
+          return { value: 3, done: true };
+        };
+      }
+    });
+
+    [x] = [1, 2];
+
+    assertEq(x, 42);
+    assertEq(returnCalled, true);
+})();