1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/class/superPropProxy.js b/js/src/jit-test/tests/class/superPropProxy.js
new file mode 100644
index 0000000000..fe0e5369a4
--- /dev/null
+++ b/js/src/jit-test/tests/class/superPropProxy.js
@@ -0,0 +1,23 @@
+// Define constructor with a proxy as prototype
+let hook = { get: function(target, name, receiver) { return receiver; } }
+let Base = function() { }
+Base.prototype = new Proxy(Base.prototype, hook);
+
+class Derived extends Base {
+    test() {
+        // Check proxy receiver is |this|, rather than Base.[[Prototype]]
+        assertEq(super.x, this);
+    }
+
+    test_elem() {
+        // Check proxy receiver is |this|, rather than Base.[[Prototype]]
+        assertEq(super[0], this);
+    }
+}
+
+let d = new Derived();
+
+for (let i = 0; i < 20; ++i) {
+    d.test();
+    d.test_elem();
+}