LayoutTests/animations/animation-crash.html

<style>
 .class3 {
     animation: 1s;
     animation-name: keyframes3,keyframes0;
 }
 @keyframes keyframes0 {
     40% { translate: 82% }
 }
</style>
<script>
 testRunner?.dumpAsText();
</script>
<object class="class3"/>
<p>This test passes if it doesn't crash.</p>