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Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org">
<meta name="assert" content="Moving a selection to a different clipper should not crash">
<html class=reftest-wait>
<script>
function test() {
document.designMode = "on";
const a = document.getElementById('a');
const range = new Range();
range.setStart(a, 1);
range.setEnd(a, 1);
document.getSelection().addRange(range);
requestAnimationFrame(function() {
requestAnimationFrame(function() {
const b = document.getElementById('b');
const updated_range = window.getSelection().getRangeAt(0);
updated_range.setStart(b, 1);
updated_range.setEnd(b, 1);
document.documentElement.classList.remove("reftest-wait");
});
});
}
</script>
<body onload=test()>
<div id=a style="width: 100px; height: 100px;"> </div>
<div id=b style="width: 100px; height: 100px; overflow: clip; margin-top: -100px;"> </div>
</body>
</html>