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<!DOCTYPE html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
</body>
<script>
promise_test(async () => {
performance.clearResourceTimings()
// Create child iframe.
const childFrame = document.createElement('iframe')
childFrame.src = "../resources/child-frame.html"
document.body.appendChild(childFrame)
// wait until the child frame's onload event fired
await new Promise(r => childFrame.addEventListener("load", r));
const childWindow = childFrame.contentWindow;
// Detach the child frame
document.body.removeChild(childFrame);
const entries = childWindow.performance.getEntries(true);
const parent_entries = performance.getEntries(true);
}, "GetEntries of a detached parent frame does not crash");
</script>
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