LayoutTests/fast/text/overflow-wrap-assert-with-zero-width-overflowing-content.html

<style>
div {
  width: 0px;
  overflow-wrap: break-word;
}

span {
  padding-right: 0.1px;
}
</style>
PASS if no crash or ASSERT in debug
<div><span>&#8203;</span></div>
<script>
if (window.testRunner)
  testRunner.dumpAsText();
</script>