<!DOCTYPE html>
<script src="../../resources/run-after-layout-and-paint.js"></script>
<style>
rect {
fill: red;
}
</style>
<svg width="100" height="100">
<g>
<use xlink:href="#r"></use>
</g>
<defs>
<rect id="r" x="0" y="0" width="100" height="100"></rect>
</defs>
</svg>
<script>
runAfterLayoutAndPaint(function() {
r.style.fill = 'green';
}, true);
</script>