tor-browser

The Tor Browser
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static-gen-method-param-dflt-yield.js (824B)

      1 // |reftest| error:SyntaxError
      2 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-generator-function-definitions
      6 es6id: 14.4
      7 description: >
      8  YieldExpression cannot be used within the FormalParameters of a generator
      9  function
     10 info: |
     11  GeneratorMethod[Yield]:
     12 
     13     * PropertyName[?Yield] ( StrictFormalParameters[Yield] ) { GeneratorBody }
     14 
     15  YieldExpression cannot be used within the FormalParameters of a generator
     16  function because any expressions that are part of FormalParameters are
     17  evaluated before the resulting generator object is in a resumable state.
     18 features: [generators, default-parameters]
     19 negative:
     20  phase: parse
     21  type: SyntaxError
     22 ---*/
     23 
     24 $DONOTEVALUATE();
     25 
     26 0, class {
     27  static *g(x = yield) {}
     28 };