Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/http/tests/linkHeader/link-header-no-crash-valid.php 

<?php
header("Link: </images/cat.jpg>; rel=prefetch");
?>
<!DOCTYPE html>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
This test passes if we didn't crash.