LayoutTests/fast/css/variables/variable-reference-override-deferred-cached.html

<style>
div {
    --a: 50px;
    margin-left:var(--a);
    width:100px;
    height:100px;
    background-color:green;
}
div {
    margin-inline-start:200px;
}
</style>
<div><div></div></div>