JSTests/test262/test/language/statements/class/elements/privatename-not-valid-earlyerr-script-4.js

// Copyright (C) 2017 Valerie Young. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-scripts-static-semantics-early-errors
description: Early error when referencing privatename that has not been declared in class.
info: |
  Static Semantics: Early Errors
    ScriptBody : StatementList

    It is a Syntax Error if AllPrivateNamesValid of StatementList with an empty List as an argument is false unless the source code is eval code that is being processed by a direct eval.

features: [class, class-fields-private]
negative:
  phase: parse
  type: SyntaxError
---*/

$DONOTEVALUATE();

class C {
  f() {
    this.#x;
    class D extends C {
      #x;
    }
  }
}