chromium/third_party/blink/web_tests/editing/selection/select-start-remove-root-crash.html

<html>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function runTest()
{
    document.write("PASS");
    
    if (window.testRunner)
        testRunner.notifyDone();
}

function select()
{
    document.execCommand("SelectAll");
}

window.addEventListener("selectstart", runTest, true);
window.onload = select;
</script>
</html>