| // Copyright 2017 the V8 project authors. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| author: Caitlin Potter <caitp@igalia.com> | |
| esid: sec-async-generator-function-definitions-static-semantics-early-errors | |
| description: > | |
| It is a Syntax Error if FormalParameters Contains YieldExpression is true. | |
| negative: | |
| phase: parse | |
| type: SyntaxError | |
| features: [async-iteration] | |
| ---*/ | |
| $DONOTEVALUATE(); | |
| (async function*(x = yield) { }); |