<!DOCTYPE html>
<style>
div {
position: absolute;
top: 100px;
left: 0;
width: 100px;
height: 100px;
overflow: hidden;
border: 2px solid green;
}
img {
position: absolute;
width: 100px;
height: 50px;
box-shadow: -50px 0;
border: none;
}
</style>
Tests culling of replaced elements with vertical-rl writing mode and asymmetric overflows.
Passes if there are two black boxes.
<div>
<img style="left: 90px; top: 0">
<img style="left: 100px; top: 50px">
</div>