first-line-inherited-transition-crash.html

<!DOCTYPE html>
<title>CSS Pseudo-Element Test: Color transition from inherited ::first-line style should not crash</title>
<link rel="help" href="https://crbug.com/1416821">
<style>
  div::first-line { color: red }
  span { transition: color 100s; }
</style>
<div><span>First line</span></div>

chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/first-line-inherited-transition-crash.html