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chromium/third_party/blink/web_tests/virtual/text-antialias/whitespace/justification-expansion-crash.html 

<!DOCTYPE html>
<style>
:before { content: ""; }
body { white-space: pre; }
</style>
<ruby>
   <rt>
Test passes if no crash.
<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>