1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/class/checkreturn-for-of-arrow.js b/js/src/jit-test/tests/class/checkreturn-for-of-arrow.js
new file mode 100644
index 0000000000..4358bb1778
--- /dev/null
+++ b/js/src/jit-test/tests/class/checkreturn-for-of-arrow.js
@@ -0,0 +1,29 @@
+var iter = {
+  [Symbol.iterator]() { return this; },
+  next() { return {done: false}; },
+  return() {
+    // Calls |super()|.
+    this.f();
+
+    return {done: true};
+  },
+};
+
+class C extends class {} {
+  constructor() {
+    iter.f = () => super();
+
+    for (var k of iter) {
+      return;
+    }
+  }
+}
+
+function test() {
+  for (var i = 0; i < 100; ++i) {
+    // No error.
+    new C();
+  }
+}
+
+test();