<!DOCTYPE html>
<style>
#target {
display: grid;
align-items: baseline;
writing-mode: vertical-rl;
padding-bottom: 50%;
line-height: 800px;
}
#target > div {
overflow: hidden;
}
</style>
<div style="float: right; width: 20px; height: 20px;"></div>
<div id="target">
<div style="width: -webkit-fill-available">fill-available</div>
<div style="width: fit-content">fit-content</div>
</div>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
test(function() {
document.body.offsetTop;
}, "Test that computing a baseline dependent on its respective grid area's size doesn't crash.");
</script>