chromium/third_party/blink/web_tests/fast/shapes/shape-outside-floats/shape-outside-floats-iframe-inset-rectangle-negative-width-crash.html

<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
<style>
    iframe {
        float: right;
        shape-outside: inset-rectangle(0, 125%, 0, 0); 
    }
</style>
This test should not crash in a debug build.
<iframe></iframe>