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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --async-stack-traces
// Check that Error.prepareStackTrace doesn't expose strict
// mode closures, even in the presence of async frames.
Error.prepareStackTrace = (e, frames) => {
assertEquals(two, frames[0].getFunction());
assertEquals(two.name, frames[0].getFunctionName());
assertEquals(undefined, frames[1].getFunction());
assertEquals(one.name, frames[1].getFunctionName());
return frames;
};
async function one(x) {
"use strict";
return await two(x);
}
async function two(x) {
try {
x = await x;
throw new Error();
} catch (e) {
return e.stack;
}
}
one(1).catch(e => setTimeout(_ => {throw e}, 0));
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