<!DOCTYPE html>
<html>
<head>
<style>
.trigger-bug {
    position: absolute;
    will-change: transform;
    z-index: -1;
}

.touch-action {
    position: relative;
    touch-action: none;

    /* The following are just to make the test prettier and help debug */
    width: 100px;
    height: 100px;
    border: 1px solid black;
}
</style>
</head>
<body>
<div>
    <div class="touch-action"></div>
    <div class="trigger-bug"></div>
</div>
<pre id="results"></pre>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

if (window.internals)
    results.innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION | internals.LAYER_TREE_INCLUDES_ROOT_LAYER_PROPERTIES);
</script>
</body>
</html>