LayoutTests/fast/text/unbreakable-content-with-inline-boxes-assert.html

<style>
.container {
  width: 0px;
}
.wrap_this {
  overflow-wrap: break-word;
  padding-left: 1px;
}
</style>
<div class=container><span></span><span class=wrap_this>PASS if no crash or assert</span></div>
<script>
if (window.testRunner)
  testRunner.dumpAsText();
</script>