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// |reftest| error:SyntaxError
// This file was procedurally generated from the following sources:
// - src/function-forms/dflt-params-rest.case
// - src/function-forms/syntax/async-arrow-function.template
/*---
description: RestParameter does not support an initializer (async arrow function expression)
esid: sec-async-arrow-function-definitions
features: [default-parameters]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
14.7 Async Arrow Function Definitions
AsyncArrowFunction :
...
CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
AsyncConciseBody :
{ AsyncFunctionBody }
...
Supplemental Syntax
When processing an instance of the production AsyncArrowFunction :
CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody the interpretation of
CoverCallExpressionAndAsyncArrowHead is refined using the following grammar:
AsyncArrowHead :
async ArrowFormalParameters
14.1 Function Definitions
Syntax
FunctionRestParameter[Yield] :
BindingRestElement[?Yield]
13.3.3 Destructuring Binding Patterns
Syntax
BindingRestElement[Yield] :
...BindingIdentifier[?Yield]
...BindingPattern[?Yield]
---*/
$DONOTEVALUATE();
(async (...x = []) => {
});