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// |reftest| error:SyntaxError
'use strict';
// This file was procedurally generated from the following sources:
// - src/dstr-assignment-for-await/array-elem-nested-obj-yield-ident-invalid.case
// - src/dstr-assignment-for-await/error-async-function-syntax/async-func-decl.template
/*---
description: When a `yield` token appears within the Initializer of a nested destructuring assignment outside of a generator function body, it behaves as a IdentifierReference. (for-await-of statement in an async function declaration)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
features: [destructuring-binding, async-iteration]
flags: [generated, onlyStrict]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for await ( LeftHandSideExpression of AssignmentExpression ) Statement
1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
AssignmentExpression, iterate).
2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
keyResult, assignment, labelSet).
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
[...]
5. If destructuring is true and if lhsKind is assignment, then
a. Assert: lhs is a LeftHandSideExpression.
b. Let assignmentPattern be the parse of the source text corresponding to
lhs using AssignmentPattern as the goal symbol.
[...]
---*/
$DONOTEVALUATE();
async function fn() {
for await ([{ x = yield }] of [[{}]]) {}
}