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<!DOCTYPE html>
<body>
<script>
(async () => {
const sxg_path = 'sxg/sxg-subresource-header-integrity-mismatch.sxg';
const scipt_sxg_path = 'sxg/sxg-subresource-script.sxg';
const scipt_path = 'sxg-subresource-script.js';
const wait_for_prefetch = new Promise((resolve) => {
new PerformanceObserver((list) => {
for (let e of list.getEntries()) {
if (e.name.endsWith(scipt_sxg_path)) {
resolve();
} else if (e.name.endsWith(scipt_path)) {
window.parent.postMessage(
scipt_path + ' should not be prefetched', '*');
}
}
}).observe({ entryTypes: ['resource'] });
});
const link = document.createElement('link');
link.rel = 'prefetch';
link.href = sxg_path;
document.body.appendChild(link);
await wait_for_prefetch;
location.href = sxg_path;
})()
</script>
</body>
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