JSTests/test262/test/language/expressions/async-generator/rest-params-trailing-comma-early-error.js

// This file was procedurally generated from the following sources:
// - src/function-forms/rest-params-trailing-comma-early-error.case
// - src/function-forms/syntax/async-gen-func-expr.template
/*---
description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated]
negative:
  phase: parse
  type: SyntaxError
info: |
    AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
        AsyncGeneratorBody }

        [...]
        3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
           AsyncGeneratorBody, scope, strict).
        [...]


    Trailing comma in the parameters list

    14.1 Function Definitions

    FormalParameters[Yield, Await] :
        [empty]
        FunctionRestParameter[?Yield, ?Await]
        FormalParameterList[?Yield, ?Await]
        FormalParameterList[?Yield, ?Await] ,
        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
---*/
$DONOTEVALUATE();


0, async function*(...a,) {
  
};