// |reftest| error:SyntaxError
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-method-definitions
es6id: 14.3
description: >
  YieldExpression cannot be used within the FormalParameters of a class method
info: |
  MethodDefinition[Yield] :

    PropertyName[?Yield] ( StrictFormalParameters ) { FunctionBody }
features: [generators, default-parameters]
negative:
  phase: parse
  type: SyntaxError
---*/

$DONOTEVALUATE();

0, class {
  m(x = yield) {}
};