third_party/blink/web_tests/fast/multicol/zero-height-inner-multicol-at-boundary-crash.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <div style="columns:2; column-fill:auto; height:20px;">
     <div style="columns:2;">
         <div style="height:40px;"></div>
         <div style="columns:1; height:0; column-fill:auto;">
             <div></div>
         </div>
     </div>
 </div>
 <script src="../../resources/testharness.js"></script>
 <script src="../../resources/testharnessreport.js"></script>
 <script>
     test(() => { }, "No crash or assertion failure.");
 </script>
	<!DOCTYPE html>
	<div style="columns:2; column-fill:auto; height:20px;">
	<div style="columns:2;">
	<div style="height:40px;"></div>
	<div style="columns:1; height:0; column-fill:auto;">
	<div></div>
	</div>
	</div>
	</div>
	<script src="../../resources/testharness.js"></script>
	<script src="../../resources/testharnessreport.js"></script>
	<script>
	test(() => { }, "No crash or assertion failure.");
	</script>