<!DOCTYPE html> <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1127415"> <meta name="assert" content="The presence of a scrollbar should not make a min-sized flexbox, and a single flex-item differ in size."> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <div style="display: flex; width: 100px;"> <div id="outer" style="display: flex; width: min-content; height: 100px;"> <div id="inner" style="flex: 0 0 auto; overflow-y: auto;"> <div style="width: 100px; height: 3000px;"></div> </div> </div> </div> <script> test(() => { const outer = document.getElementById('outer'); const inner = document.getElementById('inner'); assert_equals(outer.getBoundingClientRect().width, inner.getBoundingClientRect().width); }); </script>