test262/test/language/module-code/privatename-not-valid-earlyerr-module-3.js

// Copyright (C) 2017 Valerie Young. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-module-semantics-static-semantics-early-errors
description: Early error when referencing privatename in field without being declared in class fields
info: |
  Static Semantics: Early Errors
  Module : ModuleBody
    It is a Syntax Error if AllPrivateNamesValid of ModuleBody with an empty List as an argument is false.
features: [class, class-fields-private, class-fields-public]
flags: [module]
negative:
  phase: parse
  type: SyntaxError
---*/

$DONOTEVALUATE();

class C {
  y = this.#x;
}