// |reftest| error:SyntaxError
// This file was procedurally generated from the following sources:
// - src/function-forms/dflt-params-rest.case
// - src/function-forms/syntax/async-gen-func-decl.template
/*---
description: RestParameter does not support an initializer (async generator function declaration)
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
features: [default-parameters, async-iteration]
flags: [generated]
negative:
  phase: parse
  type: SyntaxError
info: |
    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
        ( FormalParameters ) { AsyncGeneratorBody }

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


    14.1 Function Definitions

    Syntax

    FunctionRestParameter[Yield] :

      BindingRestElement[?Yield]

    13.3.3 Destructuring Binding Patterns

    Syntax

    BindingRestElement[Yield] :

      ...BindingIdentifier[?Yield]
      ...BindingPattern[?Yield]

---*/
$DONOTEVALUATE();


async function* f(...x = []) {
  
}