bors bfafb8e0d6 Auto merge of #5673 - phansch:endless-loop, r=Manishearth
Add regression test for endless loop / update `pulldown_cmark`

Closes #4917

This was fixed in pulldown_cmark 0.7.1, specifically raphlinus/pulldown-cmark#438

changelog: none
2020-06-01 17:16:06 +00:00
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