1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/non262/PrivateName/nested-class-name-used.js b/js/src/tests/non262/PrivateName/nested-class-name-used.js
new file mode 100644
index 0000000000..cc1a77f375
--- /dev/null
+++ b/js/src/tests/non262/PrivateName/nested-class-name-used.js
@@ -0,0 +1,33 @@
+// |reftest| shell-option(--enable-private-fields) skip-if(!xulRuntime.shell) -- requires shell-options
+
+// AllPrivateIdentifiersValid uses only lexical string names, not
+// the dynamic private names; which means the below is not a syntax
+// error but is instead a TypeError on access.
+
+class A {
+  #x = 10;
+  f() {
+    class B {
+      g() {
+        return this.#x;  // note: #x isn't declared in this class, but
+                         // the enclosing.
+      }
+    };
+    this.y = new B;
+  }
+  constructor() {
+    this.f();
+  }
+  g() {
+    return this.y.g();
+  }
+};
+
+a = new A;
+try {
+  a.g();
+} catch (e) {
+  assertEq(e instanceof TypeError, true);
+}
+
+if (typeof reportCompare === 'function') reportCompare(0, 0);
+\ No newline at end of file